PIPE(8) PIPE(8)
NAME
pipe - Postfix delivery to external command
SYNOPSIS
pipe [generic Postfix daemon options] command_attributes...
DESCRIPTION
The pipe(8) daemon processes requests from the Postfix
queue manager to deliver messages to external commands.
This program expects to be run from the master(8) process
manager.
Message attributes such as sender address, recipient
address and next-hop host name can be specified as com-
mand-line macros that are expanded before the external
command is executed.
The pipe(8) daemon updates queue files and marks recipi-
ents as finished, or it informs the queue manager that
delivery should be tried again at a later time. Delivery
status reports are sent to the bounce(8), defer(8) or
trace(8) daemon as appropriate.
SINGLE-RECIPIENT DELIVERY
Some destinations cannot handle more than one recipient
per delivery request. Examples are pagers or fax machines.
In addition, multi-recipient delivery is undesirable when
prepending a Delivered-to: or X-Original-To: message
header.
To prevent Postfix from sending multiple recipients per
delivery request, specify
transport_destination_recipient_limit = 1
in the Postfix main.cf file, where transport is the name
in the first column of the Postfix master.cf entry for the
pipe-based delivery transport.
COMMAND ATTRIBUTE SYNTAX
The external command attributes are given in the master.cf
file at the end of a service definition. The syntax is as
follows:
chroot=pathname (optional)
Change the process root directory and working
directory to the named directory. This happens
before switching to the privileges specified with
the user attribute, and before executing the
optional directory=pathname directive. Delivery is
deferred in case of failure.
This feature is available as of Postfix 2.3.
directory=pathname (optional)
Change to the named directory before executing the
external command. The directory must be accessible
for the user specified with the user attribute (see
below). The default working directory is
$queue_directory. Delivery is deferred in case of
failure.
This feature is available as of Postfix 2.2.
eol=string (optional, default: \n)
The output record delimiter. Typically one would
use either \r\n or \n. The usual C-style backslash
escape sequences are recognized: \a \b \f \n \r \t
\v \ddd (up to three octal digits) and \\.
flags=BDFORXhqu.> (optional)
Optional message processing flags. By default, a
message is copied unchanged.
B Append a blank line at the end of each mes-
sage. This is required by some mail user
agents that recognize "From " lines only
when preceded by a blank line.
D Prepend a "Delivered-To: recipient" message
header with the envelope recipient address.
Note: for this to work, the transport_desti-
nation_recipient_limit must be 1 (see SIN-
GLE-RECIPIENT DELIVERY above for details).
The D flag also enforces loop detection
(Postfix 2.5 and later): if a message
already contains a Delivered-To: header with
the same recipient address, then the message
is returned as undeliverable. The address
comparison is case insensitive.
This feature is available as of Postfix 2.0.
F Prepend a "From sender time_stamp" envelope
header to the message content. This is
expected by, for example, UUCP software.
O Prepend an "X-Original-To: recipient" mes-
sage header with the recipient address as
given to Postfix. Note: for this to work,
the transport_destination_recipient_limit
must be 1 (see SINGLE-RECIPIENT DELIVERY
above for details).
This feature is available as of Postfix 2.0.
R Prepend a Return-Path: message header with
the envelope sender address.
X Indicate that the external command performs
final delivery. This flag affects the sta-
tus reported in "success" DSN (delivery sta-
tus notification) messages, and changes it
from "relayed" into "delivered".
This feature is available as of Postfix 2.5.
h Fold the command-line $original_recipient
and $recipient address domain part (text to
the right of the right-most @@ character) to
lower case; fold the entire command-line
$domain and $nexthop host or domain informa-
tion to lower case. This is recommended for
delivery via UUCP.
q Quote white space and other special charac-
ters in the command-line $sender, $origi-
nal_recipient and $recipient address local-
parts (text to the left of the right-most @@
character), according to an 8-bit transpar-
ent version of RFC 822. This is recommended
for delivery via UUCP or BSMTP.
The result is compatible with the address
parsing of command-line recipients by the
Postfix sendmail(1) mail submission command.
The q flag affects only entire addresses,
not the partial address information from the
$user, $extension or $mailbox command-line
macros.
u Fold the command-line $original_recipient
and $recipient address localpart (text to
the left of the right-most @@ character) to
lower case. This is recommended for deliv-
ery via UUCP.
. Prepend "." to lines starting with ".". This
is needed by, for example, BSMTP software.
> Prepend ">" to lines starting with "From ".
This is expected by, for example, UUCP soft-
ware.
null_sender=replacement (default: MAILER-DAEMON)
Replace the null sender address (typically used for
delivery status notifications) with the specified
text when expanding the $sender command-line macro,
and when generating a From_ or Return-Path: message
header.
If the null sender replacement text is a non-empty
string then it is affected by the q flag for
address quoting in command-line arguments.
The null sender replacement text may be empty; this
form is recommended for content filters that feed
mail back into Postfix. The empty sender address is
not affected by the q flag for address quoting in
command-line arguments.
Caution: a null sender address is easily mis-parsed
by naive software. For example, when the pipe(8)
daemon executes a command such as:
Wrong: command -f$sender -- $recipient
the command will mis-parse the -f option value when
the sender address is a null string. For correct
parsing, specify $sender as an argument by itself:
Right: command -f $sender -- $recipient
This feature is available as of Postfix 2.3.
size=size_limit (optional)
Don't deliver messages that exceed this size limit
(in bytes); return them to the sender instead.
user=username (required)
user=username:groupname
Execute the external command with the rights of the
specified username. The software refuses to exe-
cute commands with root privileges, or with the
privileges of the mail system owner. If groupname
is specified, the corresponding group ID is used
instead of the group ID of username.
argv=command... (required)
The command to be executed. This must be specified
as the last command attribute. The command is exe-
cuted directly, i.e. without interpretation of
shell meta characters by a shell command inter-
preter.
In the command argument vector, the following
macros are recognized and replaced with correspond-
ing information from the Postfix queue manager
delivery request.
In addition to the form ${name}, the forms $name
and $(name) are also recognized. Specify $$ where
a single $ is wanted.
${client_address}
This macro expands to the remote client net-
work address.
This feature is available as of Postfix 2.2.
${client_helo}
This macro expands to the remote client HELO
command parameter.
This feature is available as of Postfix 2.2.
${client_hostname}
This macro expands to the remote client
hostname.
This feature is available as of Postfix 2.2.
${client_port}
This macro expands to the remote client TCP
port number.
This feature is available as of Postfix 2.5.
${client_protocol}
This macro expands to the remote client pro-
tocol.
This feature is available as of Postfix 2.2.
${domain}
This macro expands to the domain portion of
the recipient address. For example, with an
address user+foo@@domain the domain is
domain.
This information is modified by the h flag
for case folding.
This feature is available as of Postfix 2.5.
${extension}
This macro expands to the extension part of
a recipient address. For example, with an
address user+foo@@domain the extension is
foo.
A command-line argument that contains
${extension} expands into as many command-
line arguments as there are recipients.
This information is modified by the u flag
for case folding.
${mailbox}
This macro expands to the complete local
part of a recipient address. For example,
with an address user+foo@@domain the mailbox
is user+foo.
A command-line argument that contains
${mailbox} expands to as many command-line
arguments as there are recipients.
This information is modified by the u flag
for case folding.
${nexthop}
This macro expands to the next-hop hostname.
This information is modified by the h flag
for case folding.
${original_recipient}
This macro expands to the complete recipient
address before any address rewriting or
aliasing.
A command-line argument that contains
${original_recipient} expands to as many
command-line arguments as there are recipi-
ents.
This information is modified by the hqu
flags for quoting and case folding.
This feature is available as of Postfix 2.5.
${recipient}
This macro expands to the complete recipient
address.
A command-line argument that contains
${recipient} expands to as many command-line
arguments as there are recipients.
This information is modified by the hqu
flags for quoting and case folding.
${sasl_method}
This macro expands to the name of the SASL
authentication mechanism in the AUTH command
when the Postfix SMTP server received the
message.
This feature is available as of Postfix 2.2.
${sasl_sender}
This macro expands to the SASL sender name
(i.e. the original submitter as per RFC
4954) in the MAIL FROM command when the
Postfix SMTP server received the message.
This feature is available as of Postfix 2.2.
${sasl_username}
This macro expands to the SASL user name in
the AUTH command when the Postfix SMTP
server received the message.
This feature is available as of Postfix 2.2.
${sender}
This macro expands to the envelope sender
address. By default, the null sender address
expands to MAILER-DAEMON; this can be
changed with the null_sender attribute, as
described above.
This information is modified by the q flag
for quoting.
${size}
This macro expands to Postfix's idea of the
message size, which is an approximation of
the size of the message as delivered.
${user}
This macro expands to the username part of a
recipient address. For example, with an
address user+foo@@domain the username part is
user.
A command-line argument that contains
${user} expands into as many command-line
arguments as there are recipients.
This information is modified by the u flag
for case folding.
STANDARDS
RFC 3463 (Enhanced status codes)
DIAGNOSTICS
Command exit status codes are expected to follow the con-
ventions defined in <sysexits.h>. Exit status 0 means
normal successful completion.
Postfix version 2.3 and later support RFC 3463-style
enhanced status codes. If a command terminates with a
non-zero exit status, and the command output begins with
an enhanced status code, this status code takes precedence
over the non-zero exit status.
Problems and transactions are logged to syslogd(8). Cor-
rupted message files are marked so that the queue manager
can move them to the corrupt queue for further inspection.
SECURITY
This program needs a dual personality 1) to access the
private Postfix queue and IPC mechanisms, and 2) to exe-
cute external commands as the specified user. It is there-
fore security sensitive.
CONFIGURATION PARAMETERS
Changes to main.cf are picked up automatically as pipe(8)
processes run for only a limited amount of time. Use the
command "postfix reload" to speed up a change.
The text below provides only a parameter summary. See
postconf(5) for more details including examples.
RESOURCE AND RATE CONTROLS
In the text below, transport is the first field in a mas-
ter.cf entry.
transport_destination_concurrency_limit ($default_destina-
tion_concurrency_limit)
Limit the number of parallel deliveries to the same
destination, for delivery via the named transport.
The limit is enforced by the Postfix queue manager.
transport_destination_recipient_limit ($default_destina-
tion_recipient_limit)
Limit the number of recipients per message deliv-
ery, for delivery via the named transport. The
limit is enforced by the Postfix queue manager.
transport_time_limit ($command_time_limit)
Limit the time for delivery to external command,
for delivery via the named transport. The limit is
enforced by the pipe delivery agent.
Postfix 2.4 and later support a suffix that speci-
fies the time unit: s (seconds), m (minutes), h
(hours), d (days), w (weeks). The default time unit
is seconds.
MISCELLANEOUS CONTROLS
config_directory (see 'postconf -d' output)
The default location of the Postfix main.cf and
master.cf configuration files.
daemon_timeout (18000s)
How much time a Postfix daemon process may take to
handle a request before it is terminated by a
built-in watchdog timer.
delay_logging_resolution_limit (2)
The maximal number of digits after the decimal
point when logging sub-second delay values.
export_environment (see 'postconf -d' output)
The list of environment variables that a Postfix
process will export to non-Postfix processes.
ipc_timeout (3600s)
The time limit for sending or receiving information
over an internal communication channel.
mail_owner (postfix)
The UNIX system account that owns the Postfix queue
and most Postfix daemon processes.
max_idle (100s)
The maximum amount of time that an idle Postfix
daemon process waits for an incoming connection
before terminating voluntarily.
max_use (100)
The maximal number of incoming connections that a
Postfix daemon process will service before termi-
nating voluntarily.
process_id (read-only)
The process ID of a Postfix command or daemon
process.
process_name (read-only)
The process name of a Postfix command or daemon
process.
queue_directory (see 'postconf -d' output)
The location of the Postfix top-level queue direc-
tory.
recipient_delimiter (empty)
The separator between user names and address exten-
sions (user+foo).
syslog_facility (mail)
The syslog facility of Postfix logging.
syslog_name (see 'postconf -d' output)
The mail system name that is prepended to the
process name in syslog records, so that "smtpd"
becomes, for example, "postfix/smtpd".
SEE ALSO
qmgr(8), queue manager
bounce(8), delivery status reports
postconf(5), configuration parameters
master(5), generic daemon options
master(8), process manager
syslogd(8), system logging
LICENSE
The Secure Mailer license must be distributed with this
software.
AUTHOR(S)
Wietse Venema
IBM T.J. Watson Research
P.O. Box 704
Yorktown Heights, NY 10598, USA
PIPE(8)
@
1.1.1.1
log
@Import Postfix 2.6.2.
@
text
@@
1.1.1.2
log
@Import Postfix 2.7.1. Major changes since Postfix 2.6.6:
- Improved before-queue content filter performance. With
"smtpd_proxy_options = speed_adjust", the Postfix SMTP server
receives the entire message before it connects to a before-queue
content filter. Typically, this allows Postfix to handle the same
mail load with fewer content filter processes.
- Improved address verification performance. The verify database is now
persistent by default, and it is automatically cleaned periodically. Under
overload conditions, the Postfix SMTP server no longer waits up to 6 seconds
for an address probe to complete.
- Support for reputation management based on the local SMTP client IP address.
This is typically implemented with "FILTER transportname:" actions in access
maps or header/body checks, and mail delivery transports in master.cf with
unique smtp_bind_address values.
@
text
@d203 6
a208 6
Execute the external command with the user ID and
group ID of the specified username. The software
refuses to execute commands with root privileges,
or with the privileges of the mail system owner. If
groupname is specified, the corresponding group ID
is used instead of the group ID of username.
d384 5
a388 6
In the case of a non-zero exit status, a limited amount of
command output is reported in an delivery status notifica-
tion. When the output begins with a 4.X.X or 5.X.X
enhanced status code, the status code takes precedence
over the non-zero exit status (Postfix version 2.3 and
later).
d390 2
a391 2
Problems and transactions are logged to syslogd(8). Cor-
rupted message files are marked so that the queue manager
d395 2
a396 2
This program needs a dual personality 1) to access the
private Postfix queue and IPC mechanisms, and 2) to exe-
d401 2
a402 2
Changes to main.cf are picked up automatically as pipe(8)
processes run for only a limited amount of time. Use the
d405 1
a405 1
The text below provides only a parameter summary. See
d409 1
a409 1
In the text below, transport is the first field in a mas-
d415 1
a415 1
destination, for delivery via the named transport.
d420 2
a421 2
Limit the number of recipients per message deliv-
ery, for delivery via the named transport. The
d425 1
a425 1
Limit the time for delivery to external command,
d429 2
a430 2
Postfix 2.4 and later support a suffix that speci-
fies the time unit: s (seconds), m (minutes), h
d436 1
a436 1
The default location of the Postfix main.cf and
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a441 2
How much time a Postfix daemon process may take to
handle a request before it is terminated by a
d445 1
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The maximal number of digits after the decimal
d449 1
a449 1
The list of environment variables that a Postfix
d461 2
a462 2
The maximum amount of time that an idle Postfix
daemon process waits for an incoming connection
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The maximal number of incoming connections that a
Postfix daemon process will service before termi-
d471 1
a471 1
The process ID of a Postfix command or daemon
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a475 1
The process name of a Postfix command or daemon
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a479 1
The location of the Postfix top-level queue direc-
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The mail system name that is prepended to the
process name in syslog records, so that "smtpd"
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The Secure Mailer license must be distributed with this
@
1.1.1.2.12.1
log
@Rebase to HEAD as of a few days ago.
@
text
@d16 15
a30 12
The pipe(8) daemon processes requests from the Postfix queue manager to
deliver messages to external commands. This program expects to be run
from the master(8) process manager.
Message attributes such as sender address, recipient address and next-
hop host name can be specified as command-line macros that are expanded
before the external command is executed.
The pipe(8) daemon updates queue files and marks recipients as fin-
ished, or it informs the queue manager that delivery should be tried
again at a later time. Delivery status reports are sent to the
bounce(8), defer(8) or trace(8) daemon as appropriate.
d33 5
a37 4
Some destinations cannot handle more than one recipient per delivery
request. Examples are pagers or fax machines. In addition, multi-
recipient delivery is undesirable when prepending a Delivered-to: or X-
Original-To: message header.
d39 2
a40 2
To prevent Postfix from sending multiple recipients per delivery
request, specify
d44 3
a46 3
in the Postfix main.cf file, where transport is the name in the first
column of the Postfix master.cf entry for the pipe-based delivery
transport.
d49 3
a51 2
The external command attributes are given in the master.cf file at the
end of a service definition. The syntax is as follows:
d54 6
a59 5
Change the process root directory and working directory to the
named directory. This happens before switching to the privileges
specified with the user attribute, and before executing the
optional directory=pathname directive. Delivery is deferred in
case of failure.
d64 6
a69 5
Change to the named directory before executing the external com-
mand. The directory must be accessible for the user specified
with the user attribute (see below). The default working direc-
tory is $queue_directory. Delivery is deferred in case of fail-
ure.
d74 4
a77 4
The output record delimiter. Typically one would use either \r\n
or \n. The usual C-style backslash escape sequences are recog-
nized: \a \b \f \n \r \t \v \ddd (up to three octal digits) and
\\.
d80 2
a81 2
Optional message processing flags. By default, a message is
copied unchanged.
d83 17
a99 14
B Append a blank line at the end of each message. This is
required by some mail user agents that recognize "From "
lines only when preceded by a blank line.
D Prepend a "Delivered-To: recipient" message header with
the envelope recipient address. Note: for this to work,
the transport_destination_recipient_limit must be 1 (see
SINGLE-RECIPIENT DELIVERY above for details).
The D flag also enforces loop detection (Postfix 2.5 and
later): if a message already contains a Delivered-To:
header with the same recipient address, then the message
is returned as undeliverable. The address comparison is
case insensitive.
d103 10
a112 8
F Prepend a "From sender time_stamp" envelope header to the
message content. This is expected by, for example, UUCP
software.
O Prepend an "X-Original-To: recipient" message header with
the recipient address as given to Postfix. Note: for this
to work, the transport_destination_recipient_limit must
be 1 (see SINGLE-RECIPIENT DELIVERY above for details).
d116 2
a117 2
R Prepend a Return-Path: message header with the envelope
sender address.
d119 5
a123 4
X Indicate that the external command performs final deliv-
ery. This flag affects the status reported in "success"
DSN (delivery status notification) messages, and changes
it from "relayed" into "delivered".
d127 29
a155 24
h Fold the command-line $original_recipient and $recipient
address domain part (text to the right of the right-most
@@ character) to lower case; fold the entire command-line
$domain and $nexthop host or domain information to lower
case. This is recommended for delivery via UUCP.
q Quote white space and other special characters in the
command-line $sender, $original_recipient and $recipient
address localparts (text to the left of the right-most @@
character), according to an 8-bit transparent version of
RFC 822. This is recommended for delivery via UUCP or
BSMTP.
The result is compatible with the address parsing of com-
mand-line recipients by the Postfix sendmail(1) mail sub-
mission command.
The q flag affects only entire addresses, not the partial
address information from the $user, $extension or $mail-
box command-line macros.
u Fold the command-line $original_recipient and $recipient
address localpart (text to the left of the right-most @@
character) to lower case. This is recommended for deliv-
d158 2
a159 2
. Prepend "." to lines starting with ".". This is needed
by, for example, BSMTP software.
d161 3
a163 2
> Prepend ">" to lines starting with "From ". This is
expected by, for example, UUCP software.
d166 8
a173 12
Replace the null sender address (typically used for delivery
status notifications) with the specified text when expanding the
$sender command-line macro, and when generating a From_ or
Return-Path: message header.
If the null sender replacement text is a non-empty string then
it is affected by the q flag for address quoting in command-line
arguments.
The null sender replacement text may be empty; this form is rec-
ommended for content filters that feed mail back into Postfix.
The empty sender address is not affected by the q flag for
d176 9
a184 3
Caution: a null sender address is easily mis-parsed by naive
software. For example, when the pipe(8) daemon executes a com-
mand such as:
d188 3
a190 3
the command will mis-parse the -f option value when the sender
address is a null string. For correct parsing, specify $sender
as an argument by itself:
d197 2
a198 2
Don't deliver messages that exceed this size limit (in bytes);
return them to the sender instead.
d203 6
a208 5
Execute the external command with the user ID and group ID of
the specified username. The software refuses to execute com-
mands with root privileges, or with the privileges of the mail
system owner. If groupname is specified, the corresponding group
ID is used instead of the group ID of username.
d211 18
a228 14
The command to be executed. This must be specified as the last
command attribute. The command is executed directly, i.e. with-
out interpretation of shell meta characters by a shell command
interpreter.
In the command argument vector, the following macros are recog-
nized and replaced with corresponding information from the Post-
fix queue manager delivery request.
In addition to the form ${name}, the forms $name and $(name) are
also recognized. Specify $$ where a single $ is wanted.
${client_address}
This macro expands to the remote client network address.
d232 3
a234 3
${client_helo}
This macro expands to the remote client HELO command
parameter.
d238 3
a240 2
${client_hostname}
This macro expands to the remote client hostname.
d244 3
a246 2
${client_port}
This macro expands to the remote client TCP port number.
d250 3
a252 2
${client_protocol}
This macro expands to the remote client protocol.
d256 5
a260 4
${domain}
This macro expands to the domain portion of the recipient
address. For example, with an address user+foo@@domain
the domain is domain.
d262 2
a263 2
This information is modified by the h flag for case fold-
ing.
d267 22
a288 20
${extension}
This macro expands to the extension part of a recipient
address. For example, with an address user+foo@@domain
the extension is foo.
A command-line argument that contains ${extension}
expands into as many command-line arguments as there are
recipients.
This information is modified by the u flag for case fold-
ing.
${mailbox}
This macro expands to the complete local part of a recip-
ient address. For example, with an address
user+foo@@domain the mailbox is user+foo.
A command-line argument that contains ${mailbox} expands
to as many command-line arguments as there are recipi-
ents.
d290 2
a291 2
This information is modified by the u flag for case fold-
ing.
d293 1
a293 1
${nexthop}
d296 2
a297 2
This information is modified by the h flag for case fold-
ing.
d299 9
a307 7
${original_recipient}
This macro expands to the complete recipient address
before any address rewriting or aliasing.
A command-line argument that contains ${original_recipi-
ent} expands to as many command-line arguments as there
are recipients.
d309 2
a310 2
This information is modified by the hqu flags for quoting
and case folding.
d314 16
a329 19
${queue_id}
This macro expands to the queue id.
This feature is available as of Postfix 2.11.
${recipient}
This macro expands to the complete recipient address.
A command-line argument that contains ${recipient}
expands to as many command-line arguments as there are
recipients.
This information is modified by the hqu flags for quoting
and case folding.
${sasl_method}
This macro expands to the name of the SASL authentication
mechanism in the AUTH command when the Postfix SMTP
server received the message.
d333 5
a337 4
${sasl_sender}
This macro expands to the SASL sender name (i.e. the
original submitter as per RFC 4954) in the MAIL FROM com-
mand when the Postfix SMTP server received the message.
d341 4
a344 3
${sasl_username}
This macro expands to the SASL user name in the AUTH com-
mand when the Postfix SMTP server received the message.
d348 24
a371 21
${sender}
This macro expands to the envelope sender address. By
default, the null sender address expands to MAILER-DAE-
MON; this can be changed with the null_sender attribute,
as described above.
This information is modified by the q flag for quoting.
${size}
This macro expands to Postfix's idea of the message size,
which is an approximation of the size of the message as
delivered.
${user}
This macro expands to the username part of a recipient
address. For example, with an address user+foo@@domain
the username part is user.
A command-line argument that contains ${user} expands
into as many command-line arguments as there are recipi-
ents.
d373 2
a374 2
This information is modified by the u flag for case fold-
ing.
d380 9
a388 8
Command exit status codes are expected to follow the conventions
defined in <sysexits.h>. Exit status 0 means normal successful comple-
tion.
In the case of a non-zero exit status, a limited amount of command out-
put is reported in an delivery status notification. When the output
begins with a 4.X.X or 5.X.X enhanced status code, the status code
takes precedence over the non-zero exit status (Postfix version 2.3 and
d391 3
a393 3
Problems and transactions are logged to syslogd(8). Corrupted message
files are marked so that the queue manager can move them to the corrupt
queue for further inspection.
d396 4
a399 3
This program needs a dual personality 1) to access the private Postfix
queue and IPC mechanisms, and 2) to execute external commands as the
specified user. It is therefore security sensitive.
d402 3
a404 3
Changes to main.cf are picked up automatically as pipe(8) processes run
for only a limited amount of time. Use the command "postfix reload" to
speed up a change.
d406 2
a407 2
The text below provides only a parameter summary. See postconf(5) for
more details including examples.
d410 2
a411 1
In the text below, transport is the first field in a master.cf entry.
d413 11
a423 11
transport_destination_concurrency_limit ($default_destination_concur-
rency_limit)
Limit the number of parallel deliveries to the same destination,
for delivery via the named transport. The limit is enforced by
the Postfix queue manager.
transport_destination_recipient_limit ($default_destination_recipi-
ent_limit)
Limit the number of recipients per message delivery, for deliv-
ery via the named transport. The limit is enforced by the Post-
fix queue manager.
d426 8
a433 7
Limit the time for delivery to external command, for delivery
via the named transport. The limit is enforced by the pipe
delivery agent.
Postfix 2.4 and later support a suffix that specifies the time
unit: s (seconds), m (minutes), h (hours), d (days), w (weeks).
The default time unit is seconds.
d437 2
a438 2
The default location of the Postfix main.cf and master.cf con-
figuration files.
d441 3
a443 2
How much time a Postfix daemon process may take to handle a
request before it is terminated by a built-in watchdog timer.
d446 2
a447 2
The maximal number of digits after the decimal point when log-
ging sub-second delay values.
d450 2
a451 2
The list of environment variables that a Postfix process will
export to non-Postfix processes.
d454 2
a455 2
The time limit for sending or receiving information over an
internal communication channel.
d458 2
a459 2
The UNIX system account that owns the Postfix queue and most
Postfix daemon processes.
d462 3
a464 2
The maximum amount of time that an idle Postfix daemon process
waits for an incoming connection before terminating voluntarily.
d467 3
a469 2
The maximal number of incoming connections that a Postfix daemon
process will service before terminating voluntarily.
d472 2
a473 1
The process ID of a Postfix command or daemon process.
d476 2
a477 1
The process name of a Postfix command or daemon process.
d480 2
a481 1
The location of the Postfix top-level queue directory.
d484 2
a485 3
The set of characters that can separate a user name from its
extension (example: user+foo), or a .forward file name from its
extension (example: .forward+foo).
d491 3
a493 3
The mail system name that is prepended to the process name in
syslog records, so that "smtpd" becomes, for example, "post-
fix/smtpd".
d504 2
a505 1
The Secure Mailer license must be distributed with this software.
@
1.1.1.2.22.1
log
@Rebase.
@
text
@d16 15
a30 12
The pipe(8) daemon processes requests from the Postfix queue manager to
deliver messages to external commands. This program expects to be run
from the master(8) process manager.
Message attributes such as sender address, recipient address and next-
hop host name can be specified as command-line macros that are expanded
before the external command is executed.
The pipe(8) daemon updates queue files and marks recipients as fin-
ished, or it informs the queue manager that delivery should be tried
again at a later time. Delivery status reports are sent to the
bounce(8), defer(8) or trace(8) daemon as appropriate.
d33 5
a37 4
Some destinations cannot handle more than one recipient per delivery
request. Examples are pagers or fax machines. In addition, multi-
recipient delivery is undesirable when prepending a Delivered-to: or X-
Original-To: message header.
d39 2
a40 2
To prevent Postfix from sending multiple recipients per delivery
request, specify
d44 3
a46 3
in the Postfix main.cf file, where transport is the name in the first
column of the Postfix master.cf entry for the pipe-based delivery
transport.
d49 3
a51 2
The external command attributes are given in the master.cf file at the
end of a service definition. The syntax is as follows:
d54 6
a59 5
Change the process root directory and working directory to the
named directory. This happens before switching to the privileges
specified with the user attribute, and before executing the
optional directory=pathname directive. Delivery is deferred in
case of failure.
d64 6
a69 5
Change to the named directory before executing the external com-
mand. The directory must be accessible for the user specified
with the user attribute (see below). The default working direc-
tory is $queue_directory. Delivery is deferred in case of fail-
ure.
d74 4
a77 4
The output record delimiter. Typically one would use either \r\n
or \n. The usual C-style backslash escape sequences are recog-
nized: \a \b \f \n \r \t \v \ddd (up to three octal digits) and
\\.
d80 2
a81 2
Optional message processing flags. By default, a message is
copied unchanged.
d83 17
a99 14
B Append a blank line at the end of each message. This is
required by some mail user agents that recognize "From "
lines only when preceded by a blank line.
D Prepend a "Delivered-To: recipient" message header with
the envelope recipient address. Note: for this to work,
the transport_destination_recipient_limit must be 1 (see
SINGLE-RECIPIENT DELIVERY above for details).
The D flag also enforces loop detection (Postfix 2.5 and
later): if a message already contains a Delivered-To:
header with the same recipient address, then the message
is returned as undeliverable. The address comparison is
case insensitive.
d103 10
a112 8
F Prepend a "From sender time_stamp" envelope header to the
message content. This is expected by, for example, UUCP
software.
O Prepend an "X-Original-To: recipient" message header with
the recipient address as given to Postfix. Note: for this
to work, the transport_destination_recipient_limit must
be 1 (see SINGLE-RECIPIENT DELIVERY above for details).
d116 2
a117 2
R Prepend a Return-Path: message header with the envelope
sender address.
d119 5
a123 4
X Indicate that the external command performs final deliv-
ery. This flag affects the status reported in "success"
DSN (delivery status notification) messages, and changes
it from "relayed" into "delivered".
d127 29
a155 24
h Fold the command-line $original_recipient and $recipient
address domain part (text to the right of the right-most
@@ character) to lower case; fold the entire command-line
$domain and $nexthop host or domain information to lower
case. This is recommended for delivery via UUCP.
q Quote white space and other special characters in the
command-line $sender, $original_recipient and $recipient
address localparts (text to the left of the right-most @@
character), according to an 8-bit transparent version of
RFC 822. This is recommended for delivery via UUCP or
BSMTP.
The result is compatible with the address parsing of com-
mand-line recipients by the Postfix sendmail(1) mail sub-
mission command.
The q flag affects only entire addresses, not the partial
address information from the $user, $extension or $mail-
box command-line macros.
u Fold the command-line $original_recipient and $recipient
address localpart (text to the left of the right-most @@
character) to lower case. This is recommended for deliv-
d158 2
a159 2
. Prepend "." to lines starting with ".". This is needed
by, for example, BSMTP software.
d161 3
a163 2
> Prepend ">" to lines starting with "From ". This is
expected by, for example, UUCP software.
d166 8
a173 12
Replace the null sender address (typically used for delivery
status notifications) with the specified text when expanding the
$sender command-line macro, and when generating a From_ or
Return-Path: message header.
If the null sender replacement text is a non-empty string then
it is affected by the q flag for address quoting in command-line
arguments.
The null sender replacement text may be empty; this form is rec-
ommended for content filters that feed mail back into Postfix.
The empty sender address is not affected by the q flag for
d176 9
a184 3
Caution: a null sender address is easily mis-parsed by naive
software. For example, when the pipe(8) daemon executes a com-
mand such as:
d188 3
a190 3
the command will mis-parse the -f option value when the sender
address is a null string. For correct parsing, specify $sender
as an argument by itself:
d197 2
a198 2
Don't deliver messages that exceed this size limit (in bytes);
return them to the sender instead.
d203 6
a208 5
Execute the external command with the user ID and group ID of
the specified username. The software refuses to execute com-
mands with root privileges, or with the privileges of the mail
system owner. If groupname is specified, the corresponding group
ID is used instead of the group ID of username.
d211 18
a228 14
The command to be executed. This must be specified as the last
command attribute. The command is executed directly, i.e. with-
out interpretation of shell meta characters by a shell command
interpreter.
In the command argument vector, the following macros are recog-
nized and replaced with corresponding information from the Post-
fix queue manager delivery request.
In addition to the form ${name}, the forms $name and $(name) are
also recognized. Specify $$ where a single $ is wanted.
${client_address}
This macro expands to the remote client network address.
d232 3
a234 3
${client_helo}
This macro expands to the remote client HELO command
parameter.
d238 3
a240 2
${client_hostname}
This macro expands to the remote client hostname.
d244 3
a246 2
${client_port}
This macro expands to the remote client TCP port number.
d250 3
a252 2
${client_protocol}
This macro expands to the remote client protocol.
d256 5
a260 4
${domain}
This macro expands to the domain portion of the recipient
address. For example, with an address user+foo@@domain
the domain is domain.
d262 2
a263 2
This information is modified by the h flag for case fold-
ing.
d267 22
a288 20
${extension}
This macro expands to the extension part of a recipient
address. For example, with an address user+foo@@domain
the extension is foo.
A command-line argument that contains ${extension}
expands into as many command-line arguments as there are
recipients.
This information is modified by the u flag for case fold-
ing.
${mailbox}
This macro expands to the complete local part of a recip-
ient address. For example, with an address
user+foo@@domain the mailbox is user+foo.
A command-line argument that contains ${mailbox} expands
to as many command-line arguments as there are recipi-
ents.
d290 2
a291 2
This information is modified by the u flag for case fold-
ing.
d293 1
a293 1
${nexthop}
d296 2
a297 2
This information is modified by the h flag for case fold-
ing.
d299 9
a307 7
${original_recipient}
This macro expands to the complete recipient address
before any address rewriting or aliasing.
A command-line argument that contains ${original_recipi-
ent} expands to as many command-line arguments as there
are recipients.
d309 2
a310 2
This information is modified by the hqu flags for quoting
and case folding.
d314 16
a329 19
${queue_id}
This macro expands to the queue id.
This feature is available as of Postfix 2.11.
${recipient}
This macro expands to the complete recipient address.
A command-line argument that contains ${recipient}
expands to as many command-line arguments as there are
recipients.
This information is modified by the hqu flags for quoting
and case folding.
${sasl_method}
This macro expands to the name of the SASL authentication
mechanism in the AUTH command when the Postfix SMTP
server received the message.
d333 5
a337 4
${sasl_sender}
This macro expands to the SASL sender name (i.e. the
original submitter as per RFC 4954) in the MAIL FROM com-
mand when the Postfix SMTP server received the message.
d341 4
a344 3
${sasl_username}
This macro expands to the SASL user name in the AUTH com-
mand when the Postfix SMTP server received the message.
d348 24
a371 21
${sender}
This macro expands to the envelope sender address. By
default, the null sender address expands to MAILER-DAE-
MON; this can be changed with the null_sender attribute,
as described above.
This information is modified by the q flag for quoting.
${size}
This macro expands to Postfix's idea of the message size,
which is an approximation of the size of the message as
delivered.
${user}
This macro expands to the username part of a recipient
address. For example, with an address user+foo@@domain
the username part is user.
A command-line argument that contains ${user} expands
into as many command-line arguments as there are recipi-
ents.
d373 2
a374 2
This information is modified by the u flag for case fold-
ing.
d380 9
a388 8
Command exit status codes are expected to follow the conventions
defined in <sysexits.h>. Exit status 0 means normal successful comple-
tion.
In the case of a non-zero exit status, a limited amount of command out-
put is reported in an delivery status notification. When the output
begins with a 4.X.X or 5.X.X enhanced status code, the status code
takes precedence over the non-zero exit status (Postfix version 2.3 and
d391 3
a393 3
Problems and transactions are logged to syslogd(8). Corrupted message
files are marked so that the queue manager can move them to the corrupt
queue for further inspection.
d396 4
a399 3
This program needs a dual personality 1) to access the private Postfix
queue and IPC mechanisms, and 2) to execute external commands as the
specified user. It is therefore security sensitive.
d402 3
a404 3
Changes to main.cf are picked up automatically as pipe(8) processes run
for only a limited amount of time. Use the command "postfix reload" to
speed up a change.
d406 2
a407 2
The text below provides only a parameter summary. See postconf(5) for
more details including examples.
d410 2
a411 1
In the text below, transport is the first field in a master.cf entry.
d413 11
a423 11
transport_destination_concurrency_limit ($default_destination_concur-
rency_limit)
Limit the number of parallel deliveries to the same destination,
for delivery via the named transport. The limit is enforced by
the Postfix queue manager.
transport_destination_recipient_limit ($default_destination_recipi-
ent_limit)
Limit the number of recipients per message delivery, for deliv-
ery via the named transport. The limit is enforced by the Post-
fix queue manager.
d426 8
a433 7
Limit the time for delivery to external command, for delivery
via the named transport. The limit is enforced by the pipe
delivery agent.
Postfix 2.4 and later support a suffix that specifies the time
unit: s (seconds), m (minutes), h (hours), d (days), w (weeks).
The default time unit is seconds.
d437 2
a438 2
The default location of the Postfix main.cf and master.cf con-
figuration files.
d441 3
a443 2
How much time a Postfix daemon process may take to handle a
request before it is terminated by a built-in watchdog timer.
d446 2
a447 2
The maximal number of digits after the decimal point when log-
ging sub-second delay values.
d450 2
a451 2
The list of environment variables that a Postfix process will
export to non-Postfix processes.
d454 2
a455 2
The time limit for sending or receiving information over an
internal communication channel.
d458 2
a459 2
The UNIX system account that owns the Postfix queue and most
Postfix daemon processes.
d462 3
a464 2
The maximum amount of time that an idle Postfix daemon process
waits for an incoming connection before terminating voluntarily.
d467 3
a469 2
The maximal number of incoming connections that a Postfix daemon
process will service before terminating voluntarily.
d472 2
a473 1
The process ID of a Postfix command or daemon process.
d476 2
a477 1
The process name of a Postfix command or daemon process.
d480 2
a481 1
The location of the Postfix top-level queue directory.
d484 2
a485 3
The set of characters that can separate a user name from its
extension (example: user+foo), or a .forward file name from its
extension (example: .forward+foo).
d491 3
a493 3
The mail system name that is prepended to the process name in
syslog records, so that "smtpd" becomes, for example, "post-
fix/smtpd".
d504 2
a505 1
The Secure Mailer license must be distributed with this software.
@
1.1.1.3
log
@Import Postfix 2.11.1. The main changes since version 2.10.* are:
- Support for PKI-less TLS server certificate verification with DANE
(DNS-based Authentication of Named Entities) where the CA public key
or the server certificate is identified via DNSSEC lookup. This
requires a DNS resolver that validates DNSSEC replies. The problem
with conventional PKI is that there are literally hundreds of
organizations world-wide that can provide a certificate in anyone's
name. DANE limits trust to the people who control the target DNS
zone and its parent zones.
- A new postscreen_dnsbl_whitelist_threshold feature to allow clients
to skip postscreen tests based on their DNSBL score. This can
eliminate email delays due to "after 220 greeting" protocol tests,
which otherwise require that a client reconnects before it can
deliver mail. Some providers such as Google don't retry from the
same IP address, and that can result in large email delivery delays.
- The recipient_delimiter feature now supports different delimiters,
for example both "+" and "-". As before, this implementation
recognizes exactly one delimiter character per email address, and
exactly one address extension per email address.
- Advanced master.cf query/update support to access service attributes
as "name = value" pairs. For example to turn off chroot on all
services use "postconf -F '*/*/chroot = n'", and to change/add a
"-o name=value" setting use "postconf -P 'smtp/inet/name = value'".
This was developed primarily to allow automated tools to manage Postfix
systems without having to parse Postfix configuration files.
@
text
@d16 15
a30 12
The pipe(8) daemon processes requests from the Postfix queue manager to
deliver messages to external commands. This program expects to be run
from the master(8) process manager.
Message attributes such as sender address, recipient address and next-
hop host name can be specified as command-line macros that are expanded
before the external command is executed.
The pipe(8) daemon updates queue files and marks recipients as fin-
ished, or it informs the queue manager that delivery should be tried
again at a later time. Delivery status reports are sent to the
bounce(8), defer(8) or trace(8) daemon as appropriate.
d33 5
a37 4
Some destinations cannot handle more than one recipient per delivery
request. Examples are pagers or fax machines. In addition, multi-
recipient delivery is undesirable when prepending a Delivered-to: or X-
Original-To: message header.
d39 2
a40 2
To prevent Postfix from sending multiple recipients per delivery
request, specify
d44 3
a46 3
in the Postfix main.cf file, where transport is the name in the first
column of the Postfix master.cf entry for the pipe-based delivery
transport.
d49 3
a51 2
The external command attributes are given in the master.cf file at the
end of a service definition. The syntax is as follows:
d54 6
a59 5
Change the process root directory and working directory to the
named directory. This happens before switching to the privileges
specified with the user attribute, and before executing the
optional directory=pathname directive. Delivery is deferred in
case of failure.
d64 6
a69 5
Change to the named directory before executing the external com-
mand. The directory must be accessible for the user specified
with the user attribute (see below). The default working direc-
tory is $queue_directory. Delivery is deferred in case of fail-
ure.
d74 4
a77 4
The output record delimiter. Typically one would use either \r\n
or \n. The usual C-style backslash escape sequences are recog-
nized: \a \b \f \n \r \t \v \ddd (up to three octal digits) and
\\.
d80 2
a81 2
Optional message processing flags. By default, a message is
copied unchanged.
d83 17
a99 14
B Append a blank line at the end of each message. This is
required by some mail user agents that recognize "From "
lines only when preceded by a blank line.
D Prepend a "Delivered-To: recipient" message header with
the envelope recipient address. Note: for this to work,
the transport_destination_recipient_limit must be 1 (see
SINGLE-RECIPIENT DELIVERY above for details).
The D flag also enforces loop detection (Postfix 2.5 and
later): if a message already contains a Delivered-To:
header with the same recipient address, then the message
is returned as undeliverable. The address comparison is
case insensitive.
d103 10
a112 8
F Prepend a "From sender time_stamp" envelope header to the
message content. This is expected by, for example, UUCP
software.
O Prepend an "X-Original-To: recipient" message header with
the recipient address as given to Postfix. Note: for this
to work, the transport_destination_recipient_limit must
be 1 (see SINGLE-RECIPIENT DELIVERY above for details).
d116 2
a117 2
R Prepend a Return-Path: message header with the envelope
sender address.
d119 5
a123 4
X Indicate that the external command performs final deliv-
ery. This flag affects the status reported in "success"
DSN (delivery status notification) messages, and changes
it from "relayed" into "delivered".
d127 29
a155 24
h Fold the command-line $original_recipient and $recipient
address domain part (text to the right of the right-most
@@ character) to lower case; fold the entire command-line
$domain and $nexthop host or domain information to lower
case. This is recommended for delivery via UUCP.
q Quote white space and other special characters in the
command-line $sender, $original_recipient and $recipient
address localparts (text to the left of the right-most @@
character), according to an 8-bit transparent version of
RFC 822. This is recommended for delivery via UUCP or
BSMTP.
The result is compatible with the address parsing of com-
mand-line recipients by the Postfix sendmail(1) mail sub-
mission command.
The q flag affects only entire addresses, not the partial
address information from the $user, $extension or $mail-
box command-line macros.
u Fold the command-line $original_recipient and $recipient
address localpart (text to the left of the right-most @@
character) to lower case. This is recommended for deliv-
d158 2
a159 2
. Prepend "." to lines starting with ".". This is needed
by, for example, BSMTP software.
d161 3
a163 2
> Prepend ">" to lines starting with "From ". This is
expected by, for example, UUCP software.
d166 8
a173 12
Replace the null sender address (typically used for delivery
status notifications) with the specified text when expanding the
$sender command-line macro, and when generating a From_ or
Return-Path: message header.
If the null sender replacement text is a non-empty string then
it is affected by the q flag for address quoting in command-line
arguments.
The null sender replacement text may be empty; this form is rec-
ommended for content filters that feed mail back into Postfix.
The empty sender address is not affected by the q flag for
d176 9
a184 3
Caution: a null sender address is easily mis-parsed by naive
software. For example, when the pipe(8) daemon executes a com-
mand such as:
d188 3
a190 3
the command will mis-parse the -f option value when the sender
address is a null string. For correct parsing, specify $sender
as an argument by itself:
d197 2
a198 2
Don't deliver messages that exceed this size limit (in bytes);
return them to the sender instead.
d203 6
a208 5
Execute the external command with the user ID and group ID of
the specified username. The software refuses to execute com-
mands with root privileges, or with the privileges of the mail
system owner. If groupname is specified, the corresponding group
ID is used instead of the group ID of username.
d211 18
a228 14
The command to be executed. This must be specified as the last
command attribute. The command is executed directly, i.e. with-
out interpretation of shell meta characters by a shell command
interpreter.
In the command argument vector, the following macros are recog-
nized and replaced with corresponding information from the Post-
fix queue manager delivery request.
In addition to the form ${name}, the forms $name and $(name) are
also recognized. Specify $$ where a single $ is wanted.
${client_address}
This macro expands to the remote client network address.
d232 3
a234 3
${client_helo}
This macro expands to the remote client HELO command
parameter.
d238 3
a240 2
${client_hostname}
This macro expands to the remote client hostname.
d244 3
a246 2
${client_port}
This macro expands to the remote client TCP port number.
d250 3
a252 2
${client_protocol}
This macro expands to the remote client protocol.
d256 5
a260 4
${domain}
This macro expands to the domain portion of the recipient
address. For example, with an address user+foo@@domain
the domain is domain.
d262 2
a263 2
This information is modified by the h flag for case fold-
ing.
d267 22
a288 20
${extension}
This macro expands to the extension part of a recipient
address. For example, with an address user+foo@@domain
the extension is foo.
A command-line argument that contains ${extension}
expands into as many command-line arguments as there are
recipients.
This information is modified by the u flag for case fold-
ing.
${mailbox}
This macro expands to the complete local part of a recip-
ient address. For example, with an address
user+foo@@domain the mailbox is user+foo.
A command-line argument that contains ${mailbox} expands
to as many command-line arguments as there are recipi-
ents.
d290 2
a291 2
This information is modified by the u flag for case fold-
ing.
d293 1
a293 1
${nexthop}
d296 2
a297 2
This information is modified by the h flag for case fold-
ing.
d299 9
a307 7
${original_recipient}
This macro expands to the complete recipient address
before any address rewriting or aliasing.
A command-line argument that contains ${original_recipi-
ent} expands to as many command-line arguments as there
are recipients.
d309 2
a310 2
This information is modified by the hqu flags for quoting
and case folding.
d314 16
a329 19
${queue_id}
This macro expands to the queue id.
This feature is available as of Postfix 2.11.
${recipient}
This macro expands to the complete recipient address.
A command-line argument that contains ${recipient}
expands to as many command-line arguments as there are
recipients.
This information is modified by the hqu flags for quoting
and case folding.
${sasl_method}
This macro expands to the name of the SASL authentication
mechanism in the AUTH command when the Postfix SMTP
server received the message.
d333 5
a337 4
${sasl_sender}
This macro expands to the SASL sender name (i.e. the
original submitter as per RFC 4954) in the MAIL FROM com-
mand when the Postfix SMTP server received the message.
d341 4
a344 3
${sasl_username}
This macro expands to the SASL user name in the AUTH com-
mand when the Postfix SMTP server received the message.
d348 24
a371 21
${sender}
This macro expands to the envelope sender address. By
default, the null sender address expands to MAILER-DAE-
MON; this can be changed with the null_sender attribute,
as described above.
This information is modified by the q flag for quoting.
${size}
This macro expands to Postfix's idea of the message size,
which is an approximation of the size of the message as
delivered.
${user}
This macro expands to the username part of a recipient
address. For example, with an address user+foo@@domain
the username part is user.
A command-line argument that contains ${user} expands
into as many command-line arguments as there are recipi-
ents.
d373 2
a374 2
This information is modified by the u flag for case fold-
ing.
d380 9
a388 8
Command exit status codes are expected to follow the conventions
defined in <sysexits.h>. Exit status 0 means normal successful comple-
tion.
In the case of a non-zero exit status, a limited amount of command out-
put is reported in an delivery status notification. When the output
begins with a 4.X.X or 5.X.X enhanced status code, the status code
takes precedence over the non-zero exit status (Postfix version 2.3 and
d391 3
a393 3
Problems and transactions are logged to syslogd(8). Corrupted message
files are marked so that the queue manager can move them to the corrupt
queue for further inspection.
d396 4
a399 3
This program needs a dual personality 1) to access the private Postfix
queue and IPC mechanisms, and 2) to execute external commands as the
specified user. It is therefore security sensitive.
d402 3
a404 3
Changes to main.cf are picked up automatically as pipe(8) processes run
for only a limited amount of time. Use the command "postfix reload" to
speed up a change.
d406 2
a407 2
The text below provides only a parameter summary. See postconf(5) for
more details including examples.
d410 2
a411 1
In the text below, transport is the first field in a master.cf entry.
d413 11
a423 11
transport_destination_concurrency_limit ($default_destination_concur-
rency_limit)
Limit the number of parallel deliveries to the same destination,
for delivery via the named transport. The limit is enforced by
the Postfix queue manager.
transport_destination_recipient_limit ($default_destination_recipi-
ent_limit)
Limit the number of recipients per message delivery, for deliv-
ery via the named transport. The limit is enforced by the Post-
fix queue manager.
d426 8
a433 7
Limit the time for delivery to external command, for delivery
via the named transport. The limit is enforced by the pipe
delivery agent.
Postfix 2.4 and later support a suffix that specifies the time
unit: s (seconds), m (minutes), h (hours), d (days), w (weeks).
The default time unit is seconds.
d437 2
a438 2
The default location of the Postfix main.cf and master.cf con-
figuration files.
d441 3
a443 2
How much time a Postfix daemon process may take to handle a
request before it is terminated by a built-in watchdog timer.
d446 2
a447 2
The maximal number of digits after the decimal point when log-
ging sub-second delay values.
d450 2
a451 2
The list of environment variables that a Postfix process will
export to non-Postfix processes.
d454 2
a455 2
The time limit for sending or receiving information over an
internal communication channel.
d458 2
a459 2
The UNIX system account that owns the Postfix queue and most
Postfix daemon processes.
d462 3
a464 2
The maximum amount of time that an idle Postfix daemon process
waits for an incoming connection before terminating voluntarily.
d467 3
a469 2
The maximal number of incoming connections that a Postfix daemon
process will service before terminating voluntarily.
d472 2
a473 1
The process ID of a Postfix command or daemon process.
d476 2
a477 1
The process name of a Postfix command or daemon process.
d480 2
a481 1
The location of the Postfix top-level queue directory.
d484 2
a485 3
The set of characters that can separate a user name from its
extension (example: user+foo), or a .forward file name from its
extension (example: .forward+foo).
d491 3
a493 3
The mail system name that is prepended to the process name in
syslog records, so that "smtpd" becomes, for example, "post-
fix/smtpd".
d504 2
a505 1
The Secure Mailer license must be distributed with this software.
@
1.1.1.3.10.1
log
@Sync with HEAD
@
text
@d20 3
a22 3
Message attributes such as sender address, recipient address and
next-hop host name can be specified as command-line macros that are
expanded before the external command is executed.
d31 3
a33 3
request. Examples are pagers or fax machines. In addition,
multi-recipient delivery is undesirable when prepending a Delivered-to:
or X-Original-To: message header.
a193 4
Specify "{" and "}" around command arguments that contain white-
space (Postfix 3.0 and later). Whitespace after "{" and before
"}" is ignored.
d198 2
a199 3
In addition to the form ${name}, the forms $name and the depre-
cated form $(name) are also recognized. Specify $$ where a sin-
gle $ is wanted.
d202 1
a202 1
This macro expands to the remote client network address.
d207 1
a207 1
This macro expands to the remote client HELO command
d218 1
a218 1
This macro expands to the remote client TCP port number.
d229 1
a229 1
address. For example, with an address user+foo@@domain
d238 2
a239 2
This macro expands to the extension part of a recipient
address. For example, with an address user+foo@@domain
d242 2
a243 2
A command-line argument that contains ${extension}
expands into as many command-line arguments as there are
d251 1
a251 1
ient address. For example, with an address
d254 2
a255 2
A command-line argument that contains ${mailbox} expands
to as many command-line arguments as there are recipi-
d268 1
a268 1
This macro expands to the complete recipient address
d271 2
a272 2
A command-line argument that contains ${original_recipi-
ent} expands to as many command-line arguments as there
d288 2
a289 2
A command-line argument that contains ${recipient}
expands to as many command-line arguments as there are
d297 1
a297 1
mechanism in the AUTH command when the Postfix SMTP
d303 1
a303 1
This macro expands to the SASL sender name (i.e. the
d316 3
a318 3
This macro expands to the envelope sender address. By
default, the null sender address expands to MAILER-DAE-
MON; this can be changed with the null_sender attribute,
d325 1
a325 1
which is an approximation of the size of the message as
d329 2
a330 2
This macro expands to the username part of a recipient
address. For example, with an address user+foo@@domain
d333 2
a334 2
A command-line argument that contains ${user} expands
into as many command-line arguments as there are recipi-
d344 1
a344 1
Command exit status codes are expected to follow the conventions
d349 4
a352 9
put is logged, and reported in a delivery status notification. When
the output begins with a 4.X.X or 5.X.X enhanced status code, the sta-
tus code takes precedence over the non-zero exit status (Postfix ver-
sion 2.3 and later).
After successful delivery (zero exit status) a limited amount of com-
mand output is logged, and reported in "success" delivery status noti-
fications (Postfix 3.0 and later). This command output is not examined
for the presence of an enhanced status code.
a449 7
Available in Postfix version 3.0 and later:
pipe_delivery_status_filter ($default_delivery_status_filter)
Optional filter for the pipe(8) delivery agent to change the
delivery status code or explanatory text of successful or unsuc-
cessful deliveries.
a466 5
Wietse Venema
Google, Inc.
111 8th Avenue
New York, NY 10011, USA
@
1.1.1.3.6.1
log
@Sync with HEAD
@
text
@d20 3
a22 3
Message attributes such as sender address, recipient address and
next-hop host name can be specified as command-line macros that are
expanded before the external command is executed.
d31 3
a33 3
request. Examples are pagers or fax machines. In addition,
multi-recipient delivery is undesirable when prepending a Delivered-to:
or X-Original-To: message header.
a193 4
Specify "{" and "}" around command arguments that contain white-
space (Postfix 3.0 and later). Whitespace after "{" and before
"}" is ignored.
d198 2
a199 3
In addition to the form ${name}, the forms $name and the depre-
cated form $(name) are also recognized. Specify $$ where a sin-
gle $ is wanted.
d202 1
a202 1
This macro expands to the remote client network address.
d207 1
a207 1
This macro expands to the remote client HELO command
d218 1
a218 1
This macro expands to the remote client TCP port number.
d229 1
a229 1
address. For example, with an address user+foo@@domain
d238 2
a239 2
This macro expands to the extension part of a recipient
address. For example, with an address user+foo@@domain
d242 2
a243 2
A command-line argument that contains ${extension}
expands into as many command-line arguments as there are
d251 1
a251 1
ient address. For example, with an address
d254 2
a255 2
A command-line argument that contains ${mailbox} expands
to as many command-line arguments as there are recipi-
d268 1
a268 1
This macro expands to the complete recipient address
d271 2
a272 2
A command-line argument that contains ${original_recipi-
ent} expands to as many command-line arguments as there
d288 2
a289 2
A command-line argument that contains ${recipient}
expands to as many command-line arguments as there are
d297 1
a297 1
mechanism in the AUTH command when the Postfix SMTP
d303 1
a303 1
This macro expands to the SASL sender name (i.e. the
d316 3
a318 3
This macro expands to the envelope sender address. By
default, the null sender address expands to MAILER-DAE-
MON; this can be changed with the null_sender attribute,
d325 1
a325 1
which is an approximation of the size of the message as
d329 2
a330 2
This macro expands to the username part of a recipient
address. For example, with an address user+foo@@domain
d333 2
a334 2
A command-line argument that contains ${user} expands
into as many command-line arguments as there are recipi-
d344 1
a344 1
Command exit status codes are expected to follow the conventions
d349 4
a352 9
put is logged, and reported in a delivery status notification. When
the output begins with a 4.X.X or 5.X.X enhanced status code, the sta-
tus code takes precedence over the non-zero exit status (Postfix ver-
sion 2.3 and later).
After successful delivery (zero exit status) a limited amount of com-
mand output is logged, and reported in "success" delivery status noti-
fications (Postfix 3.0 and later). This command output is not examined
for the presence of an enhanced status code.
a449 7
Available in Postfix version 3.0 and later:
pipe_delivery_status_filter ($default_delivery_status_filter)
Optional filter for the pipe(8) delivery agent to change the
delivery status code or explanatory text of successful or unsuc-
cessful deliveries.
a466 5
Wietse Venema
Google, Inc.
111 8th Avenue
New York, NY 10011, USA
@
1.1.1.4
log
@The stable Postfix release is called postfix-3.0.x where 3=major
release number, 0=minor release number, x=patchlevel. The stable
release never changes except for patches that address bugs or
emergencies. Patches change the patchlevel and the release date.
New features are developed in snapshot releases. These are called
postfix-3.1-yyyymmdd where yyyymmdd is the release date (yyyy=year,
mm=month, dd=day). Patches are never issued for snapshot releases;
instead, a new snapshot is released.
The mail_release_date configuration parameter (format: yyyymmdd)
specifies the release date of a stable release or snapshot release.
If you upgrade from Postfix 2.10 or earlier, read RELEASE_NOTES-2.11
before proceeding.
Notes for distribution maintainers
----------------------------------
* New backwards-compatibility safety net.
With NEW Postfix installs, you MUST install a main.cf file with
the setting "compatibility_level = 2". See conf/main.cf for an
example.
With UPGRADES of existing Postfix systems, you MUST NOT change the
main.cf compatibility_level setting, nor add this setting if it
does not exist.
Several Postfix default settings have changed with Postfix 3.0. To
avoid massive frustration with existing Postfix installations,
Postfix 3.0 comes with a safety net that forces Postfix to keep
running with backwards-compatible main.cf and master.cf default
settings. This safety net depends on the main.cf compatibility_level
setting (default: 0). Details are in COMPATIBILITY_README.
* New Postfix build system.
The Postfix build/install procedure has changed to support Postfix
dynamically-linked libraries and database plugins. These must not
be "shared" with non-Postfix programs, and therefore must not be
installed in a public directory.
To avoid massive frustration due to broken patches, PLEASE BUILD
POSTFIX FIRST WITHOUT APPLYING ANY PATCHES. Follow the INSTALL
instructions (see "Building with Postfix dynamically-linked libraries
and database plugins"), and see how things work and what the
dynamically-linked libraries, database plugin, and configuration
files look like. Then, go ahead and perform your platform-specific
customizations. The INSTALL section "Tips for distribution maintainers"
has further suggestions.
Major changes - critical
------------------------
[Incompat 20140714] After upgrading Postfix, "postfix reload" (or
start/stop) is required. Several Postfix-internal protocols have
been extended to support SMTPUTF8. Failure to reload or restart
will result in mail staying queued, while Postfix daemons log
warning messages about unexpected attributes.
Major changes - default settings
--------------------------------
[Incompat 20141009] The default settings have changed for relay_domains
(new: empty, old: $mydestination) and mynetworks_style (new: host,
old: subnet). However the backwards-compatibility safety net will
prevent these changes from taking effect, giving the system
administrator the option to make an old default setting permanent
in main.cf or to adopt the new default setting, before turning off
backwards compatibility. See COMPATIBILITY_README for details.
[Incompat 20141001] A new backwards-compatibility safety net forces
Postfix to run with backwards-compatible main.cf and master.cf
default settings after an upgrade to a newer but incompatible Postfix
version. See COMPATIBILITY_README for details.
While the backwards-compatible default settings are in effect,
Postfix logs what services or what email would be affected by the
incompatible change. Based on this the administrator can make some
backwards-compatibility settings permanent in main.cf or master.cf,
before turning off backwards compatibility.
See postconf.5.html#compatibility_level for details.
[Incompat 20141001] The default settings
have changed for append_dot_mydomain (new: no. old: yes), master.cf
chroot (new: n, old: y), and smtputf8 (new: yes, old: no).
Major changes - access control
------------------------------
[Feature 20141119] Support for BCC actions in header/body_checks
and milter_header_checks. There is no limit on the number of BCC
actions that may be specified, other than the implicit limit due
to finite storage. BCC support will not be implemented in Postfix
delivery agent header/body_checks.
It works in the same way as always_bcc and sender/recipient_bcc_maps:
there can be only one address per action, recipients are added with
the NOTIFY=NONE delivery status notification option, and duplicate
recipients are ignored (with the same delivery status notification
options).
[Incompat 20141009] The default settings have changed for relay_domains
(new: empty, old: $mydestination) and mynetworks_style (new: host,
old: subnet). However the backwards-compatibility safety net will
prevent these changes from taking effect, giving the system
administrator the option to make an old default setting permanent
in main.cf or to adopt the new default setting, before turning off
backwards compatibility. See COMPATIBILITY_README for details.
[Feature 20140618] New INFO action in access(5) tables, for consistency
with header/body_checks.
[Feature 20140620] New check_xxx_a_access (for xxx in client,
reverse_client, helo, sender, recipient) implements access control
on all A and AAAA IP addresses for respectively the client hostname,
helo parameter, sender domain or recipient domain. This complements
the existing check_xxx_mx_access and check_xxx_ns_access features.
Major changes - address rewriting
---------------------------------
[Incompat 20141001] The default settings have changed for
append_dot_mydomain (new: no. old: yes), master.cf chroot (new:
n, old: y), and smtputf8 (new: yes, old: no).
Major changes - address verification
------------------------------------
[Feature 20141227] The new smtp_address_verify_target parameter
(default: rcpt) specifies what protocol stage decides if a recipient
is valid. Specify "data" for servers that reject invalid recipients
in response to the DATA command.
Major changes - database support
--------------------------------
[Feature 20140512] Support for Berkeley DB version 6.
[Feature 20140618] The "randmap" lookup table performs random
selection. This may be used to implement load balancing, for example:
/etc/postfix/transport:
# Deliver my own domain as usual.
example.com :
.example.com :
/etc/postfix/main.cf:
transport_maps =
# Deliver my own domain as usual.
hash:/etc/postfix/transport
# Deliver other domains via randomly-selected relayhosts
randmap:{smtp:smtp0.example.com, smtp:smtp1.example.com}
A variant of this can randomly select SMTP clients with different
smtp_bind_address settings.
To implement different weights, specify lookup results multiple
times. For example, to choose smtp:smtp1.example.com twice as often
as smtp:smtp0.example.com, specify smtp:smtp1.example.com twice.
A future version may support randmap:/path/to/file to load a list
of results from file.
[Feature 20140618] As the name suggests, the "pipemap" table
implements a pipeline of lookup tables. The name of the table
specifies the pipeline as a sequence of tables. For example, the
following prevents SMTP mail to system accounts that have "nologin"
as their login shell:
/etc/postfix/main.cf:
local_recipient_maps =
pipemap:{unix:passwd.byname, pcre:/etc/postfix/no-nologin.pcre}
alias_maps
/etc/postfix/no-nologin.pcre:
!/nologin/ whatever
Each "pipemap:" query is given to the first table. Each table
lookup result becomes the query for the next table in the pipeline,
and the last table produces the final result. When any table lookup
produces no result, the entire pipeline produces no result.
A future version may support pipemap:/path/to/file to load a list
of lookup tables from file.
[Feature 20140924] Support for unionmap, with the same syntax as
pipemap. This sends a query to all tables, and concatenates non-empty
results, separated by comma.
[Feature 20131121] The "static" lookup table now supports whitespace
when invoked as "static:{ text with whitespace }", so that it can
be used, for example, at the end of smtpd_mumble_restrictions as
"check_mumble_access static:{reject text...}".
[Feature 20141126] "inline:{key=value, { key = text with comma/space}}"
avoids the need to create a database for just a few entries.
Major changes - delivery status notifications
---------------------------------------------
[Feature 20140321] Delivery status filter support, to replace the
delivery status codes and explanatory text of successful or
unsuccessful deliveries by Postfix mail delivery agents.
This was originally implemented for sites that want to turn certain
soft delivery errors into hard delivery errors, but it can also be
used to censor out information from delivery confirmation reports.
This feature is implemented as a filter that replaces the three-number
enhanced status code and descriptive text in Postfix delivery agent
success, bounce, or defer messages. Note: this will not override
"soft_bounce=yes", and this will not change a successful delivery
status into an unsuccessful status or vice versa.
The first example turns specific soft TLS errors into hard
errors, by overriding the first number in the enhanced status code.
/etc/postfix/main.cf:
smtp_delivery_status_filter = pcre:/etc/postfix/smtp_dsn_filter
/etc/postfix/smtp_dsn_filter:
/^4(\.\d+\.\d+ TLS is required, but host \S+ refused to start TLS: .+)/ 5$1
/^4(\.\d+\.\d+ TLS is required, but was not offered by host .+)/ 5$1
The second example removes the destination command name and file
name from local(8) successful delivery reports, so that they will
not be reported when a sender requests confirmation of delivery.
/etc/postfix/main.cf:
local_delivery_status_filter = pcre:/etc/postfix/local_dsn_filter
/etc/postfix/local_dsn_filter:
/^(2\S+ delivered to file).+/ $1
/^(2\S+ delivered to command).+/ $1
This feature is supported in the lmtp(8), local(8), pipe(8), smtp(8)
and virtual(8) delivery agents. That is, all delivery agents that
actually deliver mail. It will not be implemented in the error and
retry pseudo-delivery agents.
The new main.cf parameters and default values are:
default_delivery_status_filter =
lmtp_delivery_status_filter = $default_delivery_status_filter
local_delivery_status_filter = $default_delivery_status_filter
pipe_delivery_status_filter = $default_delivery_status_filter
smtp_delivery_status_filter = $default_delivery_status_filter
virtual_delivery_status_filter = $default_delivery_status_filter
See the postconf(5) manpage for more details.
[Incompat 20140618] The pipe(8) delivery agent will now log a limited
amount of command output upon successful delivery, and will report
that output in "SUCCESS" delivery status reports. This is another
good reason to disable inbound DSN requests at the Internet perimeter.
[Feature 20140907] With "confirm_delay_cleared = yes", Postfix
informs the sender when delayed mail leaves the queue (this is in
addition to the delay_warning_time feature that warns when mail is
still queued). This feature is disabled by default, because it can
result in a sudden burst of notifications when the queue drains at
the end of a prolonged network outage.
Major changes - dns
-------------------
[Feature 20141128] Support for DNS server reply filters in the
Postfix SMTP/LMTP client and SMTP server. This helps to work around
mail delivery problems with sites that have incorrect DNS information.
Note: this has no effect on the implicit DNS lookups that are made
by nsswitch.conf or equivalent mechanisms.
This feature renders each lookup result as one line of text in
standard zone-file format as shown below. The class field is always
"IN", the preference field exists only for MX records, the names
of hosts, domains, etc. end in ".", and those names are in ASCII
form (xn--mumble form for internationalized domain names).
name ttl class type preference value
---------------------------------------------------------
postfix.org. 86400 IN MX 10 mail.cloud9.net.
Typically, one would match this text with a regexp: or pcre: table.
When a match is found, the table lookup result specifies an action.
By default, the table query and the action name are case-insensitive.
Currently, only the IGNORE action is implemented.
For safety reasons, Postfix logs a warning or defers mail delivery
when a DNS reply filter removes all lookup results from a successful
query.
The Postfix SMTP/LMTP client uses the smtp_dns_reply_filter and
lmtp_dns_reply_filter features only for Postfix SMTP client lookups
of MX, A, and AAAAA records to locate a remote SMTP or LMTP server,
including lookups that implement the features reject_unverified_sender
and reject_unverified_recipient. The filters are not used for lookups
made through nsswitch.conf and similar mechanisms.
The Postfix SMTP server uses the smtpd_dns_reply_filter feature
only for Postfix SMTP server lookups of MX, A, AAAAA, and TXT records
to implement the features reject_unknown_helo_hostname,
reject_unknown_sender_domain, reject_unknown_recipient_domain,
reject_rbl_*, and reject_rhsbl_*. The filter is not used for lookups
made through nsswitch.conf and similar mechanisms, such as lookups
of the remote SMTP client name.
[Feature 20141126] Nullmx support (MX records with a null hostname).
This change affects error messages only. The Postfix SMTP client
already bounced mail for such domains, and the Postfix SMTP server
already rejected such domains with reject_unknown_sender/recipient_domain.
This feature introduces a new SMTP server configuration parameter
nullmx_reject_code (default: 556).
Major changes - dynamic linking
-------------------------------
[Feature 20140530] Support to build Postfix with Postfix
dynamically-linked libraries, and with dynamically-loadable database
clients. These MUST NOT be used by non-Postfix programs. Postfix
dynamically-linked libraries introduce minor runtime overhead and
result in smaller Postfix executable files. Dynamically-loadable
database clients are useful when you distribute or install pre-compiled
packages. Postfix 3.0 supports dynamic loading for CDB, LDAP, LMDB,
MYSQL, PCRE, PGSQL, SDBM, and SQLITE database clients.
This implementation is based on Debian code by LaMont Jones, initially
ported by Viktor Dukhovni. Currently, support exists for recent
versions of Linux, FreeBSD, MacOS X, and for the ancient Solaris 9.
To support Postfix dynamically-linked libraries and dynamically-loadable
database clients, the Postfix build procedure had to be changed
(specifically, the files makedefs and Makefile.in, and the files
postfix-install and post-install that install or update Postfix).
[Incompat 20140530] The Postfix 3.0 build procedure expects that
you specify database library dependencies with variables named
AUXLIBS_CDB, AUXLIBS_LDAP, etc. With Postfix 3.0 and later, the
old AUXLIBS variable still supports building a statically-loaded
CDB etc. database client, but only the new AUXLIBS_CDB etc. variables
support building a dynamically-loaded or statically-loaded CDB etc.
database client. See CDB_README, LDAP_README, etc. for details.
Failure to follow this advice will defeat the purpose of dynamic
database client loading. Every Postfix executable file will have
database library dependencies. And that was exactly what dynamic
database client loading was meant to avoid.
Major changes - future proofing
-------------------------------
[Cleanup 20141224] The changes described here have no visible effect
on Postfix behavior, but they make Postfix code easier to maintain,
and therefore make new functionality easier to add.
* Compile-time argument typechecks of non-printf/scanf-like variadic
function argument lists.
* Deprecating the use of "char *" for non-text purposes such as
memory allocation and pointers to application context for call-back
functions. This dates from long-past days before void * became
universally available.
* Replace integer types for counters and sizes with size_t or ssize_t
equivalents. This eliminates some wasteful 64<->32bit conversions
on 64-bit systems.
Major changes - installation pathnames
--------------------------------------
[Incompat 20140625] For compliance with file system policies, some
non-executable files have been moved from $daemon_directory to the
directory specified with the new meta_directory configuration
parameter which has the same default value as the config_directory
parameter. This change affects non-executable files that are shared
between multiple Postfix instances such as postfix-files, dynamicmaps.cf,
and multi-instance template files.
For backwards compatibility with Postfix 2.6 .. 2.11, specify
"meta_directory = $daemon_directory" in main.cf before installing
or upgrading Postfix, or specify "meta_directory = /path/name" on
the "make makefiles", "make install" or "make upgrade" command line.
Major changes - milter
----------------------
[Feature 20140928] Support for per-Milter settings that override
main.cf parameters. For details see the section "Advanced policy
client configuration" in the SMTPD_POLICY_README document.
Here is an example that uses both old and new syntax:
smtpd_milters = { inet:127.0.0.1:port1, default_action=accept, ... },
inet:127.0.0.1:port2, ...
The supported attribute names are: command_timeout, connect_timeout,
content_timeout, default_action, and protocol. These have the same
names as the corresponding main.cf parameters, without the "milter_"
prefix.
The per-milter settings are specified as attribute=value pairs
separated by comma or space; specify { name = value } to allow
spaces around the "=" or within an attribute value.
[Feature 20141018] DMARC compatibility: when a Milter inserts a
header ABOVE Postfix's own Received: header, Postfix no longer
exposes its own Received: header to Milters (violating protocol)
and Postfix no longer hides the Milter-inserted header from Milters
(wtf).
Major changes - parameter syntax
--------------------------------
[Feature 20140921] In preparation for configurable mail headers and
logging, new main.cf support for if-then-else expressions:
${name?{text1}:{text2}}
and for logical expressions:
${{text1}=={text2}?{text3}:{text4}}
${{text1}!={text2}?{text3}:{text4}}
Whitespace before and after {text} is ignored. This can help to
make complex expressions more readable. See the postconf(5) manpage
for further details.
[Feature 20140928] Support for whitespace in daemon command-line
arguments. For details, see the "Command name + arguments" section
in the master(5) manpage. Example:
smtpd -o { parameter = value containing whitespace } ...
The { ... } form is also available for non-option command-line
arguments in master.cf, for example:
pipe ... argv=command { argument containing whitespace } ...
In both cases, whitespace immediately after "{" and before "}"
is ignored.
[Feature 20141005] Postfix import_environment and export_environment
now allow "{ name=value }" to protect whitespace in attribute values.
[Feature 20141006] The new message_drop_header parameter replaces
a hard-coded table that specifies what message headers the cleanup
daemon will remove. The list of supported header names covers RFC
5321, 5322, MIME RFCs, and some historical names.
Major changes - pipe daemon
---------------------------
[Incompat 20140618] The pipe(8) delivery agent will now log a limited
amount of command output upon successful delivery, and will report
that output in "SUCCESS" delivery status reports. This is another
good reason to disable inbound DSN requests at the Internet perimeter.
Major changes - policy client
-----------------------------
[Feature 20140703] This release introduces three new configuration
parameters that control error recovery for failed SMTPD policy
requests.
* smtpd_policy_service_default_action (default: 451 4.3.5 Server
configuration problem): The default action when an SMTPD policy
service request fails.
* smtpd_policy_service_try_limit (default: 2): The maximal number
of attempts to send an SMTPD policy service request before
giving up. This must be a number greater than zero.
* smtpd_policy_service_retry_delay (default: 1s): The delay between
attempts to resend a failed SMTPD policy service request. This
must be a number greater than zero.
See postconf(5) for details and limitations.
[Feature 20140928] Support for per-policy service settings that
override main.cf parameters. For details see the section "Different
settings for different Milter applications" in the MILTER_README
document.
Here is an example that uses both old and new syntax:
smtpd_recipient_restrictions = ...
check_policy_service { inet:127.0.0.1:port3, default_action=DUNNO }
check_policy_service inet:127.0.0.1:port4
...
The per-policy service settings are specified as attribute=value pairs
separated by comma or space; specify { name = value } to allow
spaces around the "=" or within an attribute value.
The supported attribute names are: default_action, max_idle, max_ttl,
request_limit, retry_delay, timeout, try_limit. These have the same
names as the corresponding main.cf parameters, without the
"smtpd_policy_service_" prefix.
[Feature 20140505] A client port attribute was added to the policy
delegation protocol.
[Feature 20140630] New smtpd_policy_service_request_limit feature to
limit the number of requests per Postfix SMTP server policy connection.
This is a workaround to avoid error-recovery delays with policy
servers that cannot maintain a persistent connection.
Major changes - position-independent executables
------------------------------------------------
[Feature 20150205] Preliminary support for building position-independent
executables (PIE), tested on Fedora Core 20, Ubuntu 14.04, FreeBSD
9 and 10, and NetBSD 6. Specify:
$ make makefiles pie=yes ...other arguments...
On some systems, PIE is used by the ASLR exploit mitigation technique
(ASLR = Address-Space Layout Randomization). Whether specifying
"pie=yes" has any effect at all depends on the compiler. Reportedly,
some compilers always produce PIE executables.
Major changes - postscreen
--------------------------
[Feature 20140501] Configurable time limit (postscreen_dnsbl_timeout)
for DNSBL or DNSWL lookups. This is separate from the timeouts in
the dnsblog(8) daemon which are controlled by system resolver(3)
routines.
Major changes - session fingerprint
-----------------------------------
[Feature 20140801] The Postfix SMTP server now logs at the end of
a session how many times an SMTP command was successfully invoked,
followed by the total number of invocations if some invocations
were unsuccessful.
This logging will enough to diagnose many problems without using
verbose logging or network sniffer.
Normal session, no TLS:
disconnect from name[addr] ehlo=1 mail=1 rcpt=1 data=1 quit=1
Normal session. with TLS:
disconnect from name[addr] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1
All recipients rejected, no ESMTP command pipelining:
disconnect from name[addr] ehlo=1 mail=1 rcpt=0/1 quit=1
All recipients rejected, with ESMTP command pipelining:
disconnect from name[addr] ehlo=1 mail=1 rcpt=0/1 data=0/1 rset=1 quit=1
Password guessing bot, hangs up without QUIT:
disconnect from name[addr] ehlo=1 auth=0/1
Mis-configured client trying to use TLS wrappermode on port 587:
disconnect from name[addr] unknown=0/1
Logfile analyzers can trigger on the presence of "/". It indicates
that Postfix rejected at least one command.
[Feature 20150118] As a late addition, the SMTP server now also
logs the total number of commands (as "commands=x/y") even when the
client did not send any commands. This helps logfile analyzers to
recognize sessions without commands.
Major changes - smtp client
---------------------------
[Feature 20141227] The new smtp_address_verify_target parameter
(default: rcpt) determines what protocol stage decides if a recipient
is valid. Specify "data" for servers that reject recipients after
the DATA command.
Major changes - smtputf8
------------------------
[Incompat 20141001] The default settings have changed for
append_dot_mydomain (new: no, old: yes), master.cf chroot (new:
n, old: y), and smtputf8 (new: yes, old: no).
[Incompat 20140714] After upgrading Postfix, "postfix reload" (or
start/stop) is required. Several Postfix-internal protocols have
been extended to support SMTPUTF8. Failure to reload or restart
will result in mail staying queued, while Postfix daemons log
warning messages about unexpected attributes.
[Feature 20140715] Support for Email Address Internationalization
(EAI) as defined in RFC 6531..6533. This supports UTF-8 in SMTP/LMTP
sender addresses, recipient addresses, and message header values.
The implementation is based on initial work by Arnt Gulbrandsen
that was funded by CNNIC.
See SMTPUTF8_README for a description of Postfix SMTPUTF8 support.
[Feature 20150112] UTF-8 Casefolding support for Postfix lookup
tables and matchlists (mydestination, relay_domains, etc.). This
is enabled only with "smtpuf8 = yes".
[Feature 20150112] With smtputf8_enable=yes, SMTP commands with
UTF-8 syntax errors are rejected, table lookup results with invalid
UTF-8 syntax are handled as configuration errors, and UTF-8 syntax
errors in policy server replies result in execution of the policy
server's default action.
Major changes - tls support
---------------------------
(see "Major changes - delivery status notifications" above for
turning 4XX soft errors into 5XX bounces when a remote SMTP server
does not offer STARTTLS support).
[Feature 20140209] the Postfix SMTP client now also falls back to
plaintext when TLS fails AFTER the TLS protocol handshake.
[Feature 20140218] The Postfix SMTP client now requires that a queue
file is older than $minimal_backoff_time, before falling back from
failed TLS to plaintext (both during or after the TLS handshake).
[Feature 20141021] Per IETF TLS WG consensus, the tls_session_ticket_cipher
default setting was changed from aes-128-cbc to aes-256-cbc.
[Feature 20150116] TLS wrappermode support in the Postfix smtp(8)
client (new smtp_tls_wrappermode parameter) and in posttls-finger(1)
(new -w option). There still is life in that deprecated protocol,
and people should not have to jump hoops with stunnel.
@
text
@d20 3
a22 3
Message attributes such as sender address, recipient address and
next-hop host name can be specified as command-line macros that are
expanded before the external command is executed.
d31 3
a33 3
request. Examples are pagers or fax machines. In addition,
multi-recipient delivery is undesirable when prepending a Delivered-to:
or X-Original-To: message header.
a193 4
Specify "{" and "}" around command arguments that contain white-
space (Postfix 3.0 and later). Whitespace after "{" and before
"}" is ignored.
d198 2
a199 3
In addition to the form ${name}, the forms $name and the depre-
cated form $(name) are also recognized. Specify $$ where a sin-
gle $ is wanted.
d202 1
a202 1
This macro expands to the remote client network address.
d207 1
a207 1
This macro expands to the remote client HELO command
d218 1
a218 1
This macro expands to the remote client TCP port number.
d229 1
a229 1
address. For example, with an address user+foo@@domain
d238 2
a239 2
This macro expands to the extension part of a recipient
address. For example, with an address user+foo@@domain
d242 2
a243 2
A command-line argument that contains ${extension}
expands into as many command-line arguments as there are
d251 1
a251 1
ient address. For example, with an address
d254 2
a255 2
A command-line argument that contains ${mailbox} expands
to as many command-line arguments as there are recipi-
d268 1
a268 1
This macro expands to the complete recipient address
d271 2
a272 2
A command-line argument that contains ${original_recipi-
ent} expands to as many command-line arguments as there
d288 2
a289 2
A command-line argument that contains ${recipient}
expands to as many command-line arguments as there are
d297 1
a297 1
mechanism in the AUTH command when the Postfix SMTP
d303 1
a303 1
This macro expands to the SASL sender name (i.e. the
d316 3
a318 3
This macro expands to the envelope sender address. By
default, the null sender address expands to MAILER-DAE-
MON; this can be changed with the null_sender attribute,
d325 1
a325 1
which is an approximation of the size of the message as
d329 2
a330 2
This macro expands to the username part of a recipient
address. For example, with an address user+foo@@domain
d333 2
a334 2
A command-line argument that contains ${user} expands
into as many command-line arguments as there are recipi-
d344 1
a344 1
Command exit status codes are expected to follow the conventions
d349 4
a352 9
put is logged, and reported in a delivery status notification. When
the output begins with a 4.X.X or 5.X.X enhanced status code, the sta-
tus code takes precedence over the non-zero exit status (Postfix ver-
sion 2.3 and later).
After successful delivery (zero exit status) a limited amount of com-
mand output is logged, and reported in "success" delivery status noti-
fications (Postfix 3.0 and later). This command output is not examined
for the presence of an enhanced status code.
a449 7
Available in Postfix version 3.0 and later:
pipe_delivery_status_filter ($default_delivery_status_filter)
Optional filter for the pipe(8) delivery agent to change the
delivery status code or explanatory text of successful or unsuc-
cessful deliveries.
a466 5
Wietse Venema
Google, Inc.
111 8th Avenue
New York, NY 10011, USA
@
1.1.1.4.14.1
log
@Pull up the following, requeste by kim in ticket #1779:
external/ibm-public/postfix/dist/README_FILES/BDAT_README up to 1.1.1.2
external/ibm-public/postfix/dist/README_FILES/MAILLOG_README up to 1.1.1.4
external/ibm-public/postfix/dist/README_FILES/POSTSCREEN_3_5_README up to 1.1.1.1
external/ibm-public/postfix/dist/html/BDAT_README.html up to 1.1.1.3
external/ibm-public/postfix/dist/html/MAILLOG_README.html up to 1.1.1.4
external/ibm-public/postfix/dist/html/makedefs.1.html up to 1.1.1.3
external/ibm-public/postfix/dist/html/postlogd.8.html up to 1.1.1.3
external/ibm-public/postfix/dist/html/POSTSCREEN_3_5_README.html up to 1.1.1.2
external/ibm-public/postfix/dist/html/postfix-doc.css up to 1.1.1.1
external/ibm-public/postfix/dist/man/man1/makedefs.1 up to 1.3
external/ibm-public/postfix/dist/man/man8/postlogd.8 up to 1.3
external/ibm-public/postfix/dist/mantools/missing-proxy-read-maps up to 1.1.1.3
external/ibm-public/postfix/dist/mantools/spelldiff up to 1.1.1.1
external/ibm-public/postfix/dist/mantools/check-double-cc up to 1.1.1.2
external/ibm-public/postfix/dist/mantools/check-double-install-proto-text up to 1.1.1.2
external/ibm-public/postfix/dist/mantools/check-double-proto-html up to 1.1.1.2
external/ibm-public/postfix/dist/mantools/comment.c up to 1.2
external/ibm-public/postfix/dist/mantools/check-postfix-files up to 1.1.1.2
external/ibm-public/postfix/dist/mantools/check-spell-cc up to 1.1.1.2
external/ibm-public/postfix/dist/mantools/check-spell-install-proto-text up to 1.1.1.2
external/ibm-public/postfix/dist/mantools/check-spell-proto-html up to 1.1.1.2
external/ibm-public/postfix/dist/mantools/deroff up to 1.1.1.1
external/ibm-public/postfix/dist/mantools/find-double up to 1.1.1.1
external/ibm-public/postfix/dist/mantools/check-double-history up to 1.1.1.1
external/ibm-public/postfix/dist/mantools/check-spell-history up to 1.1.1.1
external/ibm-public/postfix/dist/mantools/check-table-proto up to 1.1.1.1
external/ibm-public/postfix/dist/proto/BDAT_README.html up to 1.1.1.3
external/ibm-public/postfix/dist/proto/MAILLOG_README.html up to 1.1.1.4
external/ibm-public/postfix/dist/proto/POSTSCREEN_3_5_README.html up to 1.1.1.2
external/ibm-public/postfix/dist/proto/stop.double-cc up to 1.1.1.2
external/ibm-public/postfix/dist/proto/stop.double-install-proto-text up to 1.1.1.1
external/ibm-public/postfix/dist/proto/stop.double-proto-html up to 1.1.1.2
external/ibm-public/postfix/dist/proto/stop.spell-cc up to 1.1.1.2
external/ibm-public/postfix/dist/proto/stop.spell-proto-html up to 1.1.1.2
external/ibm-public/postfix/dist/proto/stop.double-history up to 1.1.1.1
external/ibm-public/postfix/dist/proto/stop.spell-history up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/bounce_notify_util_tester.c up to 1.2
external/ibm-public/postfix/dist/src/bounce/logfile-no-msgid-no-eoh-event up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/logfile-no-msgid-with-eoh-event up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/logfile-with-msgid-no-eoh-event up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/logfile-with-msgid-with-eoh-event up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/logfile-with-msgid-with-filter up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/logfile-with-msgid-with-long-line up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/msgfile-no-msgid-no-eoh-event up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/msgfile-no-msgid-with-eoh-event up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/msgfile-with-msgid-no-eoh-event up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/msgfile-with-msgid-with-eoh-event up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/obs_template_test.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/msgfile-with-msgid-with-filter up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/msgfile-with-msgid-with-long-line up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/no-msgid-no-eoh-event-no-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/no-msgid-no-eoh-event-with-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/no-msgid-with-eoh-event-no-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/no-msgid-with-eoh-event-with-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/with-msgid-no-eoh-event-no-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/with-msgid-no-eoh-event-with-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/with-msgid-with-eoh-event-no-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/with-msgid-with-eoh-event-with-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/with-msgid-with-filter-no-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/with-msgid-with-filter-with-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/with-msgid-with-long-line-no-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/bounce/with-msgid-with-long-line-with-thread.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in13e up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in13f up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in13g up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in13h up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in13i up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref13e up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref13f up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref13g up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref13h up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref13i up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/test-queue-file13e up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/test-queue-file13f up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/test-queue-file13g up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/test-queue-file13h up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/test-queue-file13i up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in17a up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in17b up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in17c up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in17d up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in17e up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in17f up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.in17g up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17a1 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17a2 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17b1 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17b2 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17c1 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17c2 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17d1 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17d2 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17e1 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17e2 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17f1 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17f2 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17g1 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref17g2 up to 1.1.1.1
external/ibm-public/postfix/dist/src/cleanup/test-queue-file17 up to 1.1.1.1
external/ibm-public/postfix/dist/src/dns/dns_str_resflags.c up to 1.3
external/ibm-public/postfix/dist/src/dns/dns_sec.c up to 1.2
external/ibm-public/postfix/dist/src/global/header_body_checks_strip.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/info_log_addr_form.c up to 1.2
external/ibm-public/postfix/dist/src/global/info_log_addr_form.h up to 1.2
external/ibm-public/postfix/dist/src/global/mail_addr_crunch.in up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/mail_addr_crunch.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/mail_addr_find.in up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/map_search.c up to 1.4
external/ibm-public/postfix/dist/src/global/map_search.h up to 1.2
external/ibm-public/postfix/dist/src/global/mail_addr_find.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/mail_addr_form.c up to 1.2
external/ibm-public/postfix/dist/src/global/mail_addr_form.h up to 1.2
external/ibm-public/postfix/dist/src/global/mail_addr_map.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/maillog_client.c up to 1.3
external/ibm-public/postfix/dist/src/global/maillog_client.h up to 1.2
external/ibm-public/postfix/dist/src/global/map_search.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/global/normalize_mailhost_addr.c up to 1.3
external/ibm-public/postfix/dist/src/global/normalize_mailhost_addr.h up to 1.2
external/ibm-public/postfix/dist/src/global/off_cvt.in up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/off_cvt.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/quote_822_local.in up to 1.1.1.2
external/ibm-public/postfix/dist/src/global/quote_822_local.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/global/quote_flags.c up to 1.2
external/ibm-public/postfix/dist/src/global/reject_deliver_request.c up to 1.2
external/ibm-public/postfix/dist/src/global/compat_level.c up to 1.3
external/ibm-public/postfix/dist/src/global/compat_level.h up to 1.3
external/ibm-public/postfix/dist/src/global/test_main.c up to 1.2
external/ibm-public/postfix/dist/src/global/compat_level_convert.in up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/compat_level_convert.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/compat_level_expand.in up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/compat_level_expand.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/config_known_tcp_ports.c up to 1.2
external/ibm-public/postfix/dist/src/global/config_known_tcp_ports.h up to 1.2
external/ibm-public/postfix/dist/src/global/config_known_tcp_ports.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/delivered_hdr.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/hfrom_format.c up to 1.2
external/ibm-public/postfix/dist/src/global/hfrom_format.h up to 1.2
external/ibm-public/postfix/dist/src/global/hfrom_format.ref up to 1.1.1.1
external/ibm-public/postfix/dist/src/global/login_sender_match.c up to 1.2
external/ibm-public/postfix/dist/src/global/login_sender_match.h up to 1.2
external/ibm-public/postfix/dist/src/global/login_sender_match.ref up to 1.1.1.1
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external/ibm-public/postfix/dist/proto/relocated up to 1.1.1.3
external/ibm-public/postfix/dist/proto/socketmap_table up to 1.1.1.3
external/ibm-public/postfix/dist/proto/sqlite_table up to 1.1.1.5
external/ibm-public/postfix/dist/proto/stop up to 1.1.1.7
external/ibm-public/postfix/dist/proto/tcp_table up to 1.1.1.4
external/ibm-public/postfix/dist/proto/transport up to 1.1.1.5
external/ibm-public/postfix/dist/proto/virtual up to 1.1.1.6
external/ibm-public/postfix/dist/src/anvil/Makefile.in up to 1.1.1.3
external/ibm-public/postfix/dist/src/anvil/anvil.c up to 1.4
external/ibm-public/postfix/dist/src/bounce/2template_test.in up to 1.1.1.2
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external/ibm-public/postfix/dist/src/bounce/bounce_service.h up to 1.3
external/ibm-public/postfix/dist/src/bounce/bounce_template.c up to 1.4
external/ibm-public/postfix/dist/src/bounce/bounce_template.h up to 1.3
external/ibm-public/postfix/dist/src/bounce/bounce_templates.c up to 1.3
external/ibm-public/postfix/dist/src/bounce/template_test.ref up to 1.1.1.2
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external/ibm-public/postfix/dist/src/cleanup/cleanup.h up to 1.10
external/ibm-public/postfix/dist/src/cleanup/cleanup_addr.c up to 1.3
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external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.c up to 1.5
external/ibm-public/postfix/dist/src/cleanup/cleanup_milter.ref13c up to 1.1.1.2
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external/ibm-public/postfix/dist/src/discard/Makefile.in up to 1.1.1.3
external/ibm-public/postfix/dist/src/discard/discard.c up to 1.3
external/ibm-public/postfix/dist/src/dns/Makefile.in up to 1.1.1.5
external/ibm-public/postfix/dist/src/dns/dns.h up to 1.6
external/ibm-public/postfix/dist/src/dns/dns_lookup.c up to 1.8
external/ibm-public/postfix/dist/src/dns/dns_rr.c up to 1.3
external/ibm-public/postfix/dist/src/dns/dns_rr_eq_sa.c up to 1.3
external/ibm-public/postfix/dist/src/dns/dns_rr_eq_sa.in up to 1.1.1.3
external/ibm-public/postfix/dist/src/dns/dns_rr_eq_sa.ref up to 1.1.1.5
external/ibm-public/postfix/dist/src/dns/dns_rr_to_pa.ref up to 1.1.1.3
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external/ibm-public/postfix/dist/src/dns/dns_strtype.c up to 1.2
external/ibm-public/postfix/dist/src/dns/dnsbl_ttl_127.0.0.1_bind_ncache.ref up to 1.1.1.2
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external/ibm-public/postfix/dist/src/dns/mxonly_test.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/dns/no-a.ref up to 1.1.1.3
external/ibm-public/postfix/dist/src/dns/no-aaaa.ref up to 1.1.1.3
external/ibm-public/postfix/dist/src/dns/no-mx.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/dns/nullmx_test.ref up to 1.1.1.3
external/ibm-public/postfix/dist/src/dns/nxdomain_test.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/dns/test_dns_lookup.c up to 1.3
external/ibm-public/postfix/dist/src/dnsblog/Makefile.in up to 1.1.1.3
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external/ibm-public/postfix/dist/src/error/Makefile.in up to 1.1.1.3
external/ibm-public/postfix/dist/src/error/error.c up to 1.3
external/ibm-public/postfix/dist/src/flush/Makefile.in up to 1.1.1.4
external/ibm-public/postfix/dist/src/flush/flush.c up to 1.4
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external/ibm-public/postfix/dist/src/global/Makefile.in up to 1.1.1.10
external/ibm-public/postfix/dist/src/global/abounce.c up to 1.3
external/ibm-public/postfix/dist/src/global/anvil_clnt.c up to 1.4
external/ibm-public/postfix/dist/src/global/anvil_clnt.h up to 1.3
external/ibm-public/postfix/dist/src/global/been_here.c up to 1.4
external/ibm-public/postfix/dist/src/global/been_here.h up to 1.3
external/ibm-public/postfix/dist/src/global/bounce.c up to 1.3
external/ibm-public/postfix/dist/src/global/bounce_log.c up to 1.3
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external/ibm-public/postfix/dist/src/global/cleanup_user.h up to 1.3
external/ibm-public/postfix/dist/src/global/clnt_stream.c up to 1.4
external/ibm-public/postfix/dist/src/global/clnt_stream.h up to 1.2
external/ibm-public/postfix/dist/src/global/db_common.c up to 1.3
external/ibm-public/postfix/dist/src/global/debug_peer.c up to 1.3
external/ibm-public/postfix/dist/src/global/defer.c up to 1.3
external/ibm-public/postfix/dist/src/global/deliver_pass.c up to 1.3
external/ibm-public/postfix/dist/src/global/deliver_request.c up to 1.3
external/ibm-public/postfix/dist/src/global/deliver_request.h up to 1.3
external/ibm-public/postfix/dist/src/global/delivered_hdr.c up to 1.3
external/ibm-public/postfix/dist/src/global/dict_ldap.c up to 1.5
external/ibm-public/postfix/dist/src/global/dict_memcache.c up to 1.3
external/ibm-public/postfix/dist/src/global/dict_mysql.c up to 1.4
external/ibm-public/postfix/dist/src/global/dict_pgsql.c up to 1.4
external/ibm-public/postfix/dist/src/global/dict_proxy.c up to 1.3
external/ibm-public/postfix/dist/src/global/dict_proxy.h up to 1.3
external/ibm-public/postfix/dist/src/global/dict_sqlite.c up to 1.4
external/ibm-public/postfix/dist/src/global/dsb_scan.c up to 1.3
external/ibm-public/postfix/dist/src/global/dsb_scan.h up to 1.2
external/ibm-public/postfix/dist/src/global/dsn_print.c up to 1.3
external/ibm-public/postfix/dist/src/global/dsn_print.h up to 1.2
external/ibm-public/postfix/dist/src/global/dynamicmaps.c up to 1.4
external/ibm-public/postfix/dist/src/global/ehlo_mask.c up to 1.3
external/ibm-public/postfix/dist/src/global/ehlo_mask.h up to 1.3
external/ibm-public/postfix/dist/src/global/flush_clnt.c up to 1.3
external/ibm-public/postfix/dist/src/global/haproxy_srvr.c up to 1.3
external/ibm-public/postfix/dist/src/global/haproxy_srvr.h up to 1.2
external/ibm-public/postfix/dist/src/global/header_body_checks.c up to 1.3
external/ibm-public/postfix/dist/src/global/header_body_checks.h up to 1.3
external/ibm-public/postfix/dist/src/global/log_adhoc.c up to 1.3
external/ibm-public/postfix/dist/src/global/mail_addr_crunch.c up to 1.3
external/ibm-public/postfix/dist/src/global/mail_addr_crunch.h up to 1.2
external/ibm-public/postfix/dist/src/global/mail_addr_find.c up to 1.4
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external/ibm-public/postfix/dist/src/global/mail_addr_map.c up to 1.3
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external/ibm-public/postfix/dist/src/global/mail_command_client.c up to 1.4
external/ibm-public/postfix/dist/src/global/mail_conf.c up to 1.3
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external/ibm-public/postfix/dist/src/global/mail_conf_int.c up to 1.3
external/ibm-public/postfix/dist/src/global/mail_conf_long.c up to 1.2
external/ibm-public/postfix/dist/src/global/mail_conf_nint.c up to 1.2
external/ibm-public/postfix/dist/src/global/mail_conf_time.c up to 1.4
external/ibm-public/postfix/dist/src/global/mail_copy.c up to 1.3
external/ibm-public/postfix/dist/src/global/mail_dict.c up to 1.3
external/ibm-public/postfix/dist/src/global/mail_error.c up to 1.2
external/ibm-public/postfix/dist/src/global/mail_params.c up to 1.5
external/ibm-public/postfix/dist/src/global/mail_params.h up to 1.19
external/ibm-public/postfix/dist/src/global/mail_parm_split.c up to 1.3
external/ibm-public/postfix/dist/src/global/mail_proto.h up to 1.5
external/ibm-public/postfix/dist/src/global/mail_queue.h up to 1.3
external/ibm-public/postfix/dist/src/global/mail_stream.c up to 1.3
external/ibm-public/postfix/dist/src/global/mail_task.c up to 1.3
external/ibm-public/postfix/dist/src/global/mail_version.h up to 1.6
external/ibm-public/postfix/dist/src/global/maps.c up to 1.4
external/ibm-public/postfix/dist/src/global/maps.h up to 1.2
external/ibm-public/postfix/dist/src/global/maps.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/global/memcache_proto.c up to 1.3
external/ibm-public/postfix/dist/src/global/mime_state.c up to 1.3
external/ibm-public/postfix/dist/src/global/mkmap_proxy.c up to 1.2
external/ibm-public/postfix/dist/src/global/msg_stats.h up to 1.2
external/ibm-public/postfix/dist/src/global/msg_stats_print.c up to 1.3
external/ibm-public/postfix/dist/src/global/msg_stats_scan.c up to 1.3
external/ibm-public/postfix/dist/src/global/namadr_list.in up to 1.1.1.4
external/ibm-public/postfix/dist/src/global/namadr_list.ref up to 1.1.1.5
external/ibm-public/postfix/dist/src/global/off_cvt.c up to 1.2
external/ibm-public/postfix/dist/src/global/opened.c up to 1.2
external/ibm-public/postfix/dist/src/global/post_mail.c up to 1.4
external/ibm-public/postfix/dist/src/global/post_mail.h up to 1.3
external/ibm-public/postfix/dist/src/global/quote_822_local.c up to 1.3
external/ibm-public/postfix/dist/src/global/quote_822_local.h up to 1.2
external/ibm-public/postfix/dist/src/global/quote_flags.h up to 1.2
external/ibm-public/postfix/dist/src/global/rcpt_buf.c up to 1.4
external/ibm-public/postfix/dist/src/global/rcpt_buf.h up to 1.2
external/ibm-public/postfix/dist/src/global/rcpt_print.c up to 1.3
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external/ibm-public/postfix/dist/src/global/rec_type.h up to 1.3
external/ibm-public/postfix/dist/src/global/record.c up to 1.4
external/ibm-public/postfix/dist/src/global/resolve_clnt.c up to 1.4
external/ibm-public/postfix/dist/src/global/resolve_clnt.h up to 1.2
external/ibm-public/postfix/dist/src/global/rewrite_clnt.c up to 1.3
external/ibm-public/postfix/dist/src/global/scache.h up to 1.3
external/ibm-public/postfix/dist/src/global/scache_clnt.c up to 1.3
external/ibm-public/postfix/dist/src/global/sent.c up to 1.3
external/ibm-public/postfix/dist/src/global/server_acl.c up to 1.3
external/ibm-public/postfix/dist/src/global/server_acl.in up to 1.1.1.2
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external/ibm-public/postfix/dist/src/global/smtp_reply_footer.c up to 1.3
external/ibm-public/postfix/dist/src/global/smtp_stream.c up to 1.5
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external/ibm-public/postfix/dist/src/global/smtputf8.h up to 1.3
external/ibm-public/postfix/dist/src/global/split_addr.c up to 1.3
external/ibm-public/postfix/dist/src/global/split_addr.h up to 1.2
external/ibm-public/postfix/dist/src/global/strip_addr.c up to 1.4
external/ibm-public/postfix/dist/src/global/strip_addr.h up to 1.2
external/ibm-public/postfix/dist/src/global/strip_addr.ref up to 1.1.1.3
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external/ibm-public/postfix/dist/src/global/uxtext.c up to 1.3
external/ibm-public/postfix/dist/src/global/verify.c up to 1.4
external/ibm-public/postfix/dist/src/global/verify_clnt.c up to 1.3
external/ibm-public/postfix/dist/src/global/verify_sender_addr.c up to 1.4
external/ibm-public/postfix/dist/src/global/xtext.c up to 1.3
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external/ibm-public/postfix/dist/src/local/local.c up to 1.4
external/ibm-public/postfix/dist/src/local/local_expand.c up to 1.3
external/ibm-public/postfix/dist/src/local/mailbox.c up to 1.4
external/ibm-public/postfix/dist/src/local/unknown.c up to 1.8
external/ibm-public/postfix/dist/src/master/Makefile.in up to 1.1.1.7
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external/ibm-public/postfix/dist/src/master/mail_server.h up to 1.4
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external/ibm-public/postfix/dist/src/master/multi_server.c up to 1.4
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external/ibm-public/postfix/dist/src/milter/Makefile.in up to 1.1.1.4
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external/ibm-public/postfix/dist/src/milter/milter8.c up to 1.5
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external/ibm-public/postfix/dist/src/pickup/pickup.c up to 1.4
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external/ibm-public/postfix/dist/src/pipe/pipe.c up to 1.4
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external/ibm-public/postfix/dist/src/postconf/test34.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/postconf/test35.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/postconf/test40.ref up to 1.1.1.4
external/ibm-public/postfix/dist/src/postconf/test41.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/postconf/test42.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/postconf/test43.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/postconf/test44.ref up to 1.1.1.2
external/ibm-public/postfix/dist/src/postconf/test58.ref up to 1.1.1.3
external/ibm-public/postfix/dist/src/postconf/test59.ref up to 1.1.1.3
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external/ibm-public/postfix/dist/src/postlock/postlock.c up to 1.4
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external/ibm-public/postfix/dist/src/postlog/postlog.c up to 1.5
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external/ibm-public/postfix/dist/src/postmulti/postmulti.c up to 1.4
external/ibm-public/postfix/dist/src/postqueue/Makefile.in up to 1.1.1.5
external/ibm-public/postfix/dist/src/postqueue/postqueue.c up to 1.5
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external/ibm-public/postfix/dist/src/postqueue/showq_json.c up to 1.4
external/ibm-public/postfix/dist/src/postscreen/Makefile.in up to 1.1.1.7
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external/ibm-public/postfix/dist/src/postscreen/postscreen.h up to 1.4
external/ibm-public/postfix/dist/src/postscreen/postscreen_dnsbl.c up to 1.4
external/ibm-public/postfix/dist/src/postscreen/postscreen_early.c up to 1.4
external/ibm-public/postfix/dist/src/postscreen/postscreen_endpt.c up to 1.4
external/ibm-public/postfix/dist/src/postscreen/postscreen_haproxy.c up to 1.3
external/ibm-public/postfix/dist/src/postscreen/postscreen_haproxy.h up to 1.2
external/ibm-public/postfix/dist/src/postscreen/postscreen_misc.c up to 1.4
external/ibm-public/postfix/dist/src/postscreen/postscreen_send.c up to 1.3
external/ibm-public/postfix/dist/src/postscreen/postscreen_smtpd.c up to 1.5
external/ibm-public/postfix/dist/src/postscreen/postscreen_starttls.c up to 1.4
external/ibm-public/postfix/dist/src/postscreen/postscreen_state.c up to 1.4
external/ibm-public/postfix/dist/src/postscreen/postscreen_tests.c up to 1.4
external/ibm-public/postfix/dist/src/postsuper/Makefile.in up to 1.1.1.4
external/ibm-public/postfix/dist/src/postsuper/postsuper.c up to 1.4
external/ibm-public/postfix/dist/src/posttls-finger/Makefile.in up to 1.1.1.4
external/ibm-public/postfix/dist/src/posttls-finger/posttls-finger.c up to 1.5
external/ibm-public/postfix/dist/src/proxymap/Makefile.in up to 1.1.1.6
external/ibm-public/postfix/dist/src/proxymap/proxymap.c up to 1.4
external/ibm-public/postfix/dist/src/qmgr/Makefile.in up to 1.1.1.5
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external/ibm-public/postfix/dist/src/qmgr/qmgr.h up to 1.3
external/ibm-public/postfix/dist/src/qmgr/qmgr_active.c up to 1.3
external/ibm-public/postfix/dist/src/qmgr/qmgr_deliver.c up to 1.3
external/ibm-public/postfix/dist/src/qmgr/qmgr_entry.c up to 1.3
external/ibm-public/postfix/dist/src/qmgr/qmgr_error.c up to 1.2
external/ibm-public/postfix/dist/src/qmgr/qmgr_feedback.c up to 1.2
external/ibm-public/postfix/dist/src/qmgr/qmgr_message.c up to 1.4
external/ibm-public/postfix/dist/src/qmqpd/Makefile.in up to 1.1.1.6
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external/ibm-public/postfix/dist/src/qmqpd/qmqpd_peer.c up to 1.3
external/ibm-public/postfix/dist/src/scache/Makefile.in up to 1.1.1.3
external/ibm-public/postfix/dist/src/scache/scache.c up to 1.4
external/ibm-public/postfix/dist/src/sendmail/Makefile.in up to 1.1.1.4
external/ibm-public/postfix/dist/src/sendmail/sendmail.c up to 1.4
external/ibm-public/postfix/dist/src/showq/Makefile.in up to 1.1.1.3
external/ibm-public/postfix/dist/src/showq/showq.c up to 1.5
external/ibm-public/postfix/dist/src/smtp/Makefile.in up to 1.1.1.10
external/ibm-public/postfix/dist/src/smtp/lmtp_params.c up to 1.5
external/ibm-public/postfix/dist/src/smtp/smtp.c up to 1.13
external/ibm-public/postfix/dist/src/smtp/smtp.h up to 1.5
external/ibm-public/postfix/dist/src/smtp/smtp_addr.c up to 1.5
external/ibm-public/postfix/dist/src/smtp/smtp_addr.h up to 1.3
external/ibm-public/postfix/dist/src/smtp/smtp_chat.c up to 1.4
external/ibm-public/postfix/dist/src/smtp/smtp_connect.c up to 1.5
external/ibm-public/postfix/dist/src/smtp/smtp_key.c up to 1.3
external/ibm-public/postfix/dist/src/smtp/smtp_map11.c up to 1.3
external/ibm-public/postfix/dist/src/smtp/smtp_map11.ref up to 1.1.1.2
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external/ibm-public/postfix/dist/src/smtp/smtp_proto.c up to 1.5
external/ibm-public/postfix/dist/src/smtp/smtp_rcpt.c up to 1.3
external/ibm-public/postfix/dist/src/smtp/smtp_reuse.c up to 1.4
external/ibm-public/postfix/dist/src/smtp/smtp_sasl_auth_cache.c up to 1.3
external/ibm-public/postfix/dist/src/smtp/smtp_sasl_glue.c up to 1.3
external/ibm-public/postfix/dist/src/smtp/smtp_sasl_proto.c up to 1.3
external/ibm-public/postfix/dist/src/smtp/smtp_session.c up to 1.5
external/ibm-public/postfix/dist/src/smtp/smtp_state.c up to 1.3
external/ibm-public/postfix/dist/src/smtp/smtp_tls_policy.c up to 1.4
external/ibm-public/postfix/dist/src/smtp/smtp_trouble.c up to 1.3
external/ibm-public/postfix/dist/src/smtpd/Makefile.in up to 1.1.1.11
external/ibm-public/postfix/dist/src/smtpd/pfilter.c up to 1.2 (+patch)
external/ibm-public/postfix/dist/src/smtpd/smtpd.c up to 1.20
external/ibm-public/postfix/dist/src/smtpd/smtpd.h up to 1.5
external/ibm-public/postfix/dist/src/smtpd/smtpd_acl.in up to 1.1.1.2
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external/ibm-public/postfix/dist/src/smtpd/smtpd_chat.h up to 1.3
external/ibm-public/postfix/dist/src/smtpd/smtpd_check.c up to 1.6
external/ibm-public/postfix/dist/src/smtpd/smtpd_check.h up to 1.3
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external/ibm-public/postfix/dist/src/smtpd/smtpd_dns_filter.ref up to 1.1.1.2
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external/ibm-public/postfix/dist/src/smtpd/smtpd_haproxy.c up to 1.3
external/ibm-public/postfix/dist/src/smtpd/smtpd_milter.c up to 1.3
external/ibm-public/postfix/dist/src/smtpd/smtpd_nullmx.in up to 1.1.1.2
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external/ibm-public/postfix/dist/src/smtpd/smtpd_proxy.c up to 1.3
external/ibm-public/postfix/dist/src/smtpd/smtpd_resolve.c up to 1.3
external/ibm-public/postfix/dist/src/smtpd/smtpd_resolve.h up to 1.3
external/ibm-public/postfix/dist/src/smtpd/smtpd_sasl_glue.c up to 1.5
external/ibm-public/postfix/dist/src/smtpd/smtpd_sasl_proto.c up to 1.3
external/ibm-public/postfix/dist/src/smtpd/smtpd_server.in up to 1.1.1.4
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external/ibm-public/postfix/dist/src/smtpstone/smtp-source.c up to 1.3
external/ibm-public/postfix/dist/src/spawn/Makefile.in up to 1.1.1.5
external/ibm-public/postfix/dist/src/spawn/spawn.c up to 1.4
external/ibm-public/postfix/dist/src/tls/Makefile.in up to 1.1.1.10
external/ibm-public/postfix/dist/src/tls/tls.h up to 1.5
external/ibm-public/postfix/dist/src/tls/tls_bio_ops.c up to 1.1.1.6
external/ibm-public/postfix/dist/src/tls/tls_certkey.c up to 1.4
external/ibm-public/postfix/dist/src/tls/tls_client.c up to 1.13
external/ibm-public/postfix/dist/src/tls/tls_dane.c up to 1.5
external/ibm-public/postfix/dist/src/tls/tls_dh.c up to 1.5
external/ibm-public/postfix/dist/src/tls/tls_fprint.c up to 1.4
external/ibm-public/postfix/dist/src/tls/tls_mgr.c up to 1.4
external/ibm-public/postfix/dist/src/tls/tls_misc.c up to 1.5
external/ibm-public/postfix/dist/src/tls/tls_proxy.h up to 1.4
external/ibm-public/postfix/dist/src/tls/tls_proxy_clnt.c up to 1.4
external/ibm-public/postfix/dist/src/tls/tls_rsa.c up to 1.4
external/ibm-public/postfix/dist/src/tls/tls_scache.c up to 1.4
external/ibm-public/postfix/dist/src/tls/tls_server.c up to 1.12
external/ibm-public/postfix/dist/src/tls/tls_session.c up to 1.3
external/ibm-public/postfix/dist/src/tls/tls_verify.c up to 1.4
external/ibm-public/postfix/dist/src/tlsmgr/Makefile.in up to 1.1.1.6
external/ibm-public/postfix/dist/src/tlsmgr/tlsmgr.c up to 1.4
external/ibm-public/postfix/dist/src/tlsproxy/Makefile.in up to 1.1.1.4
external/ibm-public/postfix/dist/src/tlsproxy/tlsproxy.c up to 1.6
external/ibm-public/postfix/dist/src/tlsproxy/tlsproxy.h up to 1.2
external/ibm-public/postfix/dist/src/tlsproxy/tlsproxy_state.c up to 1.3
external/ibm-public/postfix/dist/src/trivial-rewrite/Makefile.in up to 1.1.1.5
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external/ibm-public/postfix/dist/src/trivial-rewrite/transport.c up to 1.4
external/ibm-public/postfix/dist/src/trivial-rewrite/trivial-rewrite.c up to 1.4
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external/ibm-public/postfix/dist/src/util/Makefile.in up to 1.1.1.11
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external/ibm-public/postfix/dist/src/util/myaddrinfo.ref up to 1.1.1.5
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external/ibm-public/postfix/dist/src/util/nbbio.c up to 1.3
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external/ibm-public/postfix/dist/src/util/peekfd.c up to 1.3
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external/ibm-public/postfix/dist/src/util/sane_rename.c up to 1.2
external/ibm-public/postfix/dist/src/util/sane_socketpair.h up to 1.3
external/ibm-public/postfix/dist/src/util/slmdb.c up to 1.4
external/ibm-public/postfix/dist/src/util/sock_addr.c up to 1.3
external/ibm-public/postfix/dist/src/util/sock_addr.h up to 1.2
external/ibm-public/postfix/dist/src/util/split_nameval.c up to 1.2
external/ibm-public/postfix/dist/src/util/stat_as.h up to 1.3
external/ibm-public/postfix/dist/src/util/stringops.h up to 1.5
external/ibm-public/postfix/dist/src/util/sys_compat.c up to 1.3
external/ibm-public/postfix/dist/src/util/sys_defs.h up to 1.14
external/ibm-public/postfix/dist/src/util/timed_wait.h up to 1.3
external/ibm-public/postfix/dist/src/util/unix_pass_fd_fix.c up to 1.2
external/ibm-public/postfix/dist/src/util/unix_send_fd.c up to 1.8
external/ibm-public/postfix/dist/src/util/unsafe.c up to 1.2
external/ibm-public/postfix/dist/src/util/valid_hostname.c up to 1.3
external/ibm-public/postfix/dist/src/util/valid_hostname.h up to 1.2
external/ibm-public/postfix/dist/src/util/vbuf.c up to 1.3
external/ibm-public/postfix/dist/src/util/vbuf_print.c up to 1.4
external/ibm-public/postfix/dist/src/util/vstream.c up to 1.4
external/ibm-public/postfix/dist/src/util/vstream.h up to 1.4
external/ibm-public/postfix/dist/src/util/vstream_tweak.c up to 1.3
external/ibm-public/postfix/dist/src/util/vstring.c up to 1.4
external/ibm-public/postfix/dist/src/util/vstring.h up to 1.4
external/ibm-public/postfix/dist/src/util/vstring_vstream.c up to 1.2
external/ibm-public/postfix/dist/src/util/vstring_vstream.h up to 1.3
external/ibm-public/postfix/dist/src/util/watchdog.c up to 1.3
external/ibm-public/postfix/dist/src/verify/Makefile.in up to 1.1.1.6
external/ibm-public/postfix/dist/src/verify/verify.c up to 1.4
external/ibm-public/postfix/dist/src/virtual/Makefile.in up to 1.1.1.5
external/ibm-public/postfix/dist/src/virtual/mailbox.c up to 1.3
external/ibm-public/postfix/dist/src/virtual/virtual.c up to 1.4
external/ibm-public/postfix/dist/src/xsasl/Makefile.in up to 1.1.1.4
external/ibm-public/postfix/dist/src/xsasl/xsasl.h up to 1.3
external/ibm-public/postfix/dist/src/xsasl/xsasl_cyrus_client.c up to 1.3
external/ibm-public/postfix/dist/src/xsasl/xsasl_cyrus_server.c up to 1.4
external/ibm-public/postfix/dist/src/xsasl/xsasl_dovecot_server.c up to 1.4
external/ibm-public/postfix/dist/src/xsasl/xsasl_saslc_client.c up to 1.2
external/ibm-public/postfix/dist/src/xsasl/xsasl_server.c up to 1.2
external/ibm-public/postfix/lib/dns/Makefile up to 1.4
external/ibm-public/postfix/lib/global/Makefile up to 1.10
external/ibm-public/postfix/lib/masterlib/Makefile up to 1.3
external/ibm-public/postfix/lib/milter/Makefile up to 1.2
external/ibm-public/postfix/lib/tls/Makefile up to 1.4
external/ibm-public/postfix/lib/util/Makefile up to 1.11
external/ibm-public/postfix/lib/xsasl/Makefile up to 1.3
external/ibm-public/postfix/libexec/smtp/Makefile up to 1.4
external/ibm-public/postfix/libexec/smtpd/Makefile up to 1.9 (+patch)
external/ibm-public/postfix/libexec/tlsproxy/Makefile up to 1.2
external/ibm-public/postfix/sbin/postconf/Makefile up to 1.9
doc/3RDPARTY (apply patch)
Update Postfix to 3.8.4.
@
text
@d4 1
a4 2
d124 1
a124 1
RFC 822. This is recommended for delivery via UUCP or
a171 2
NOTE: DO NOT put quotes around the command, $sender, or $recipi-
ent.
d176 1
a176 1
Don't deliver messages that exceed this size limit (in bytes);
d182 3
a184 3
Execute the external command with the user ID and group ID of
the specified username. The software refuses to execute com-
mands with root privileges, or with the privileges of the mail
d189 1
a189 1
The command to be executed. This must be specified as the last
d191 1
a191 1
out interpretation of shell meta characters by a shell command
d195 2
a196 2
space (Postfix 3.0 and later). Whitespace after the opening "{"
and before the closing "}" is ignored.
d198 1
a198 1
In the command argument vector, the following macros are recog-
d202 1
a202 1
In addition to the form ${name}, the forms $name and the depre-
d207 1
a207 1
This macro expands to the remote client network address.
d212 1
a212 1
This macro expands to the remote client HELO command
d223 1
a223 1
This macro expands to the remote client TCP port number.
d234 1
a234 1
address. For example, with an address user+foo@@domain
d243 2
a244 2
This macro expands to the extension part of a recipient
address. For example, with an address user+foo@@domain
d247 2
a248 2
A command-line argument that contains ${extension}
expands into as many command-line arguments as there are
d256 1
a256 1
ient address. For example, with an address
d259 2
a260 2
A command-line argument that contains ${mailbox} expands
to as many command-line arguments as there are recipi-
d273 1
a273 1
This macro expands to the complete recipient address
d276 2
a277 2
A command-line argument that contains ${original_recipi-
ent} expands to as many command-line arguments as there
d293 2
a294 2
A command-line argument that contains ${recipient}
expands to as many command-line arguments as there are
d302 1
a302 1
mechanism in the AUTH command when the Postfix SMTP
d308 2
a309 2
This macro expands to the SASL sender name (i.e. the
original submitter as per RFC 4954) in the MAIL FROM com-
d321 3
a323 3
This macro expands to the envelope sender address. By
default, the null sender address expands to MAILER-DAE-
MON; this can be changed with the null_sender attribute,
d330 1
a330 1
which is an approximation of the size of the message as
d334 2
a335 2
This macro expands to the username part of a recipient
address. For example, with an address user+foo@@domain
d338 2
a339 2
A command-line argument that contains ${user} expands
into as many command-line arguments as there are recipi-
d346 1
a346 1
RFC 3463 (Enhanced status codes)
d349 1
a349 1
Command exit status codes are expected to follow the conventions
d354 3
a356 3
put is logged, and reported in a delivery status notification. When
the output begins with a 4.X.X or 5.X.X enhanced status code, the sta-
tus code takes precedence over the non-zero exit status (Postfix ver-
d359 2
a360 2
After successful delivery (zero exit status) a limited amount of com-
mand output is logged, and reported in "success" delivery status noti-
d364 3
a366 3
Problems and transactions are logged to syslogd(8) or postlogd(8).
Corrupted message files are marked so that the queue manager can move
them to the corrupt queue for further inspection.
d369 2
a370 2
This program needs a dual personality 1) to access the private Postfix
queue and IPC mechanisms, and 2) to execute external commands as the
d375 1
a375 1
for only a limited amount of time. Use the command "postfix reload" to
d378 1
a378 1
The text below provides only a parameter summary. See postconf(5) for
d384 1
a384 8
transport_time_limit ($command_time_limit)
A transport-specific override for the command_time_limit parame-
ter value, where transport is the master.cf name of the message
delivery transport.
Implemented in the qmgr(8) daemon:
transport_destination_concurrency_limit ($default_destination_concur-
d386 3
a388 3
A transport-specific override for the default_destination_con-
currency_limit parameter value, where transport is the master.cf
name of the message delivery transport.
d390 1
a390 1
transport_destination_recipient_limit ($default_destination_recipi-
d392 12
a403 3
A transport-specific override for the default_destination_recip-
ient_limit parameter value, where transport is the master.cf
name of the message delivery transport.
d407 1
a407 1
The default location of the Postfix main.cf and master.cf con-
d411 1
a411 1
How much time a Postfix daemon process may take to handle a
d415 1
a415 1
The maximal number of digits after the decimal point when log-
d419 1
a419 1
The list of environment variables that a Postfix process will
d423 1
a423 1
The time limit for sending or receiving information over an
d427 1
a427 1
The UNIX system account that owns the Postfix queue and most
d431 1
a431 1
The maximum amount of time that an idle Postfix daemon process
d448 3
a450 2
The set of characters that can separate an email address local-
part, user name, or a .forward file name from its extension.
d456 3
a458 2
A prefix that is prepended to the process name in syslog
records, so that, for example, "smtpd" becomes "prefix/smtpd".
d463 1
a463 1
Optional filter for the pipe(8) delivery agent to change the
a466 16
Available in Postfix version 3.3 and later:
enable_original_recipient (yes)
Enable support for the original recipient address after an
address is rewritten to a different address (for example with
aliasing or with canonical mapping).
service_name (read-only)
The master.cf service name of a Postfix daemon process.
Available in Postfix 3.5 and later:
info_log_address_format (external)
The email address form that will be used in non-debug logging
(info, warning, etc.).
a472 1
postlogd(8), Postfix logging
@
1.1.1.4.12.1
log
@Merge changes from current as of 20200406
@
text
@d195 2
a196 2
space (Postfix 3.0 and later). Whitespace after the opening "{"
and before the closing "}" is ignored.
d364 3
a366 3
Problems and transactions are logged to syslogd(8) or postlogd(8).
Corrupted message files are marked so that the queue manager can move
them to the corrupt queue for further inspection.
d384 1
a384 8
transport_time_limit ($command_time_limit)
A transport-specific override for the command_time_limit parame-
ter value, where transport is the master.cf name of the message
delivery transport.
Implemented in the qmgr(8) daemon:
transport_destination_concurrency_limit ($default_destination_concur-
d386 3
a388 3
A transport-specific override for the default_destination_con-
currency_limit parameter value, where transport is the master.cf
name of the message delivery transport.
d390 1
a390 1
transport_destination_recipient_limit ($default_destination_recipi-
d392 12
a403 3
A transport-specific override for the default_destination_recip-
ient_limit parameter value, where transport is the master.cf
name of the message delivery transport.
d456 3
a458 2
A prefix that is prepended to the process name in syslog
records, so that, for example, "smtpd" becomes "prefix/smtpd".
d463 1
a463 1
Optional filter for the pipe(8) delivery agent to change the
a466 16
Available in Postfix version 3.3 and later:
enable_original_recipient (yes)
Enable support for the original recipient address after an
address is rewritten to a different address (for example with
aliasing or with canonical mapping).
service_name (read-only)
The master.cf service name of a Postfix daemon process.
Available in Postfix 3.5 and later:
info_log_address_format (external)
The email address form that will be used in non-debug logging
(info, warning, etc.).
a472 1
postlogd(8), Postfix logging
@
1.1.1.5
log
@This is the Postfix 3.5 (stable) release.
The stable Postfix release is called postfix-3.5.x where 3=major
release number, 5=minor release number, x=patchlevel. The stable
release never changes except for patches that address bugs or
emergencies. Patches change the patchlevel and the release date.
New features are developed in snapshot releases. These are called
postfix-3.6-yyyymmdd where yyyymmdd is the release date (yyyy=year,
mm=month, dd=day). Patches are never issued for snapshot releases;
instead, a new snapshot is released.
The mail_release_date configuration parameter (format: yyyymmdd)
specifies the release date of a stable release or snapshot release.
If you upgrade from Postfix 3.3 or earlier, read RELEASE_NOTES-3.4
before proceeding.
License change
---------------
This software is distributed with a dual license: in addition to the
historical IBM Public License 1.0, it is now also distributed with the
more recent Eclipse Public License 2.0. Recipients can choose to take
the software under the license of their choice. Those who are more
comfortable with the IPL can continue with that license.
Major changes - multiple relayhost in SMTP
------------------------------------------
[Feature 20200111] the Postfix SMTP and LMTP client support a list
of nexthop destinations separated by comma or whitespace. These
destinations will be tried in the specified order.
The list form can be specified in relayhost, transport_maps,
default_transport, and sender_dependent_default_transport_maps.
Examples:
/etc/postfix/main.cf:
relayhost = foo.example, bar.example
default_transport = smtp:foo.example, bar.example.
NOTE: this is an SMTP and LMTP client feature. It does not work for
other Postfix delivery agents.
Major changes - certificate access
----------------------------------
[Feature 20190517] Search order support for check_ccert_access.
Search order support for other tables is in design (canonical_maps,
virtual_alias_maps, transport_maps, etc.).
The following check_ccert_access setting uses the built-in search
order: it first looks up the client certificate fingerprint, then
the client certificate public-key fingerprint, and it stops when a
decision is made.
/etc/postfix/main.cf:
smtpd_mumble_restrictions =
...
check_ccert_access hash:/etc/postfix/ccert-access
...
The following setting, with explicit search order, produces the
exact same result:
/etc/postfix/main.cf:
smtpd_mumble_restrictions =
...
check_ccert_access {
hash:/etc/postfix/ccert-access {
search_order = cert_fingerprint, pubkey_fingerprint } }
...
Support is planned for other certificate features.
Major changes - dovecot usability
---------------------------------
[Feature 20190615] The SMTP+LMTP delivery agent can now prepend
Delivered-To, X-Original-To and Return-Path headers, just like the
pipe(8) and local(8) delivery agents.
This uses the "flags=DORX" command-line flags in master.cf. See the
smtp(8) manpage for details.
This obsoletes the "lmtp_assume_final = yes" setting, and replaces
it with "flags=...X...", for consistency with the pipe(8) delivery
agent.
Major changes - forced expiration
---------------------------------
[Feature 20200202] Support to force-expire email messages. This
introduces new postsuper(1) command-line options to request expiration,
and additional information in mailq(1) or postqueue(1) output.
The forced-to-expire status is stored in a queue file attribute.
An expired message is returned to the sender when the queue manager
attempts to deliver that message (note that Postfix will never
deliver messages in the hold queue).
The postsuper(1) -e and -f options both set the forced-to-expire
queue file attribute. The difference is that -f will also release
a message if it is in the hold queue. With -e, such a message would
not be returned to the sender until it is released with -f or -H.
In the mailq(1) or postqueue(1) -p output, a forced-to-expire message
is indicated with # after the queue file name. In postqueue(1) JSON
output, there is a new per-message field "forced_expire" (with value
true or false) that shows the forced-to-expire status.
Major changes - haproxy2 protocol
---------------------------------
[Feature 20200112] Support for the haproxy v2 protocol. The Postfix
implementation supports TCP over IPv4 and IPv6, as well as non-proxied
connections; the latter are typically used for heartbeat tests.
The haproxy v2 protocol introduces no additional Postfix configuration.
The Postfix smtpd(8) and postscreen(8) daemons accept both v1 and
v2 protocol versions.
Major changes - logging
-----------------------
[Incompat 20191109] Postfix daemon processes now log the from= and
to= addresses in external (quoted) form in non-debug logging (info,
warning, etc.). This means that when an address localpart contains
spaces or other special characters, the localpart will be quoted,
for example:
from=<"name with spaces"@@example.com>
Older Postfix versions would log the internal (unquoted) form:
from=
PIPE(8) PIPE(8)
NAME
pipe - Postfix delivery to external command
SYNOPSIS
pipe [generic Postfix daemon options] command_attributes...
DESCRIPTION
The pipe(8) daemon processes requests from the Postfix
queue manager to deliver messages to external commands.
This program expects to be run from the master(8) process
manager.
Message attributes such as sender address, recipient
address and next-hop host name can be specified as com-
mand-line macros that are expanded before the external
command is executed.
The pipe(8) daemon updates queue files and marks recipi-
ents as finished, or it informs the queue manager that
delivery should be tried again at a later time. Delivery
status reports are sent to the bounce(8), defer(8) or
trace(8) daemon as appropriate.
SINGLE-RECIPIENT DELIVERY
Some destinations cannot handle more than one recipient
per delivery request. Examples are pagers or fax machines.
In addition, multi-recipient delivery is undesirable when
prepending a Delivered-to: or X-Original-To: message
header.
To prevent Postfix from sending multiple recipients per
delivery request, specify
transport_destination_recipient_limit = 1
in the Postfix main.cf file, where transport is the name
in the first column of the Postfix master.cf entry for the
pipe-based delivery transport.
COMMAND ATTRIBUTE SYNTAX
The external command attributes are given in the master.cf
file at the end of a service definition. The syntax is as
follows:
chroot=pathname (optional)
Change the process root directory and working
directory to the named directory. This happens
before switching to the privileges specified with
the user attribute, and before executing the
optional directory=pathname directive. Delivery is
deferred in case of failure.
This feature is available as of Postfix 2.3.
directory=pathname (optional)
Change to the named directory before executing the
external command. The directory must be accessible
for the user specified with the user attribute (see
below). The default working directory is
$queue_directory. Delivery is deferred in case of
failure.
This feature is available as of Postfix 2.2.
eol=string (optional, default: \n)
The output record delimiter. Typically one would
use either \r\n or \n. The usual C-style backslash
escape sequences are recognized: \a \b \f \n \r \t
\v \ddd (up to three octal digits) and \\.
flags=BDFORXhqu.> (optional)
Optional message processing flags. By default, a
message is copied unchanged.
B Append a blank line at the end of each mes-
sage. This is required by some mail user
agents that recognize "From " lines only
when preceded by a blank line.
D Prepend a "Delivered-To: recipient" message
header with the envelope recipient address.
Note: for this to work, the transport_desti-
nation_recipient_limit must be 1 (see SIN-
GLE-RECIPIENT DELIVERY above for details).
The D flag also enforces loop detection
(Postfix 2.5 and later): if a message
already contains a Delivered-To: header with
the same recipient address, then the message
is returned as undeliverable. The address
comparison is case insensitive.
This feature is available as of Postfix 2.0.
F Prepend a "From sender time_stamp" envelope
header to the message content. This is
expected by, for example, UUCP software.
O Prepend an "X-Original-To: recipient" mes-
sage header with the recipient address as
given to Postfix. Note: for this to work,
the transport_destination_recipient_limit
must be 1 (see SINGLE-RECIPIENT DELIVERY
above for details).
This feature is available as of Postfix 2.0.
R Prepend a Return-Path: message header with
the envelope sender address.
X Indicate that the external command performs
final delivery. This flag affects the sta-
tus reported in "success" DSN (delivery sta-
tus notification) messages, and changes it
from "relayed" into "delivered".
This feature is available as of Postfix 2.5.
h Fold the command-line $original_recipient
and $recipient address domain part (text to
the right of the right-most @@ character) to
lower case; fold the entire command-line
$domain and $nexthop host or domain informa-
tion to lower case. This is recommended for
delivery via UUCP.
q Quote white space and other special charac-
ters in the command-line $sender, $origi-
nal_recipient and $recipient address local-
parts (text to the left of the right-most @@
character), according to an 8-bit transpar-
ent version of RFC 822. This is recommended
for delivery via UUCP or BSMTP.
The result is compatible with the address
parsing of command-line recipients by the
Postfix sendmail(1) mail submission command.
The q flag affects only entire addresses,
not the partial address information from the
$user, $extension or $mailbox command-line
macros.
u Fold the command-line $original_recipient
and $recipient address localpart (text to
the left of the right-most @@ character) to
lower case. This is recommended for deliv-
ery via UUCP.
. Prepend "." to lines starting with ".". This
is needed by, for example, BSMTP software.
> Prepend ">" to lines starting with "From ".
This is expected by, for example, UUCP soft-
ware.
null_sender=replacement (default: MAILER-DAEMON)
Replace the null sender address (typically used for
delivery status notifications) with the specified
text when expanding the $sender command-line macro,
and when generating a From_ or Return-Path: message
header.
If the null sender replacement text is a non-empty
string then it is affected by the q flag for
address quoting in command-line arguments.
The null sender replacement text may be empty; this
form is recommended for content filters that feed
mail back into Postfix. The empty sender address is
not affected by the q flag for address quoting in
command-line arguments.
Caution: a null sender address is easily mis-parsed
by naive software. For example, when the pipe(8)
daemon executes a command such as:
Wrong: command -f$sender -- $recipient
the command will mis-parse the -f option value when
the sender address is a null string. For correct
parsing, specify $sender as an argument by itself:
Right: command -f $sender -- $recipient
This feature is available as of Postfix 2.3.
size=size_limit (optional)
Don't deliver messages that exceed this size limit
(in bytes); return them to the sender instead.
user=username (required)
user=username:groupname
Execute the external command with the rights of the
specified username. The software refuses to exe-
cute commands with root privileges, or with the
privileges of the mail system owner. If groupname
is specified, the corresponding group ID is used
instead of the group ID of username.
argv=command... (required)
The command to be executed. This must be specified
as the last command attribute. The command is exe-
cuted directly, i.e. without interpretation of
shell meta characters by a shell command inter-
preter.
In the command argument vector, the following
macros are recognized and replaced with correspond-
ing information from the Postfix queue manager
delivery request.
In addition to the form ${name}, the forms $name
and $(name) are also recognized. Specify $$ where
a single $ is wanted.
${client_address}
This macro expands to the remote client net-
work address.
This feature is available as of Postfix 2.2.
${client_helo}
This macro expands to the remote client HELO
command parameter.
This feature is available as of Postfix 2.2.
${client_hostname}
This macro expands to the remote client
hostname.
This feature is available as of Postfix 2.2.
${client_port}
This macro expands to the remote client TCP
port number.
This feature is available as of Postfix 2.5.
${client_protocol}
This macro expands to the remote client pro-
tocol.
This feature is available as of Postfix 2.2.
${domain}
This macro expands to the domain portion of
the recipient address. For example, with an
address user+foo@@domain the domain is
domain.
This information is modified by the h flag
for case folding.
This feature is available as of Postfix 2.5.
${extension}
This macro expands to the extension part of
a recipient address. For example, with an
address user+foo@@domain the extension is
foo.
A command-line argument that contains
${extension} expands into as many command-
line arguments as there are recipients.
This information is modified by the u flag
for case folding.
${mailbox}
This macro expands to the complete local
part of a recipient address. For example,
with an address user+foo@@domain the mailbox
is user+foo.
A command-line argument that contains
${mailbox} expands to as many command-line
arguments as there are recipients.
This information is modified by the u flag
for case folding.
${nexthop}
This macro expands to the next-hop hostname.
This information is modified by the h flag
for case folding.
${original_recipient}
This macro expands to the complete recipient
address before any address rewriting or
aliasing.
A command-line argument that contains
${original_recipient} expands to as many
command-line arguments as there are recipi-
ents.
This information is modified by the hqu
flags for quoting and case folding.
This feature is available as of Postfix 2.5.
${recipient}
This macro expands to the complete recipient
address.
A command-line argument that contains
${recipient} expands to as many command-line
arguments as there are recipients.
This information is modified by the hqu
flags for quoting and case folding.
${sasl_method}
This macro expands to the name of the SASL
authentication mechanism in the AUTH command
when the Postfix SMTP server received the
message.
This feature is available as of Postfix 2.2.
${sasl_sender}
This macro expands to the SASL sender name
(i.e. the original submitter as per RFC
4954) in the MAIL FROM command when the
Postfix SMTP server received the message.
This feature is available as of Postfix 2.2.
${sasl_username}
This macro expands to the SASL user name in
the AUTH command when the Postfix SMTP
server received the message.
This feature is available as of Postfix 2.2.
${sender}
This macro expands to the envelope sender
address. By default, the null sender address
expands to MAILER-DAEMON; this can be
changed with the null_sender attribute, as
described above.
This information is modified by the q flag
for quoting.
${size}
This macro expands to Postfix's idea of the
message size, which is an approximation of
the size of the message as delivered.
${user}
This macro expands to the username part of a
recipient address. For example, with an
address user+foo@@domain the username part is
user.
A command-line argument that contains
${user} expands into as many command-line
arguments as there are recipients.
This information is modified by the u flag
for case folding.
STANDARDS
RFC 3463 (Enhanced status codes)
DIAGNOSTICS
Command exit status codes are expected to follow the con-
ventions defined in <sysexits.h>. Exit status 0 means
normal successful completion.
Postfix version 2.3 and later support RFC 3463-style
enhanced status codes. If a command terminates with a
non-zero exit status, and the command output begins with
an enhanced status code, this status code takes precedence
over the non-zero exit status.
Problems and transactions are logged to syslogd(8). Cor-
rupted message files are marked so that the queue manager
can move them to the corrupt queue for further inspection.
SECURITY
This program needs a dual personality 1) to access the
private Postfix queue and IPC mechanisms, and 2) to exe-
cute external commands as the specified user. It is there-
fore security sensitive.
CONFIGURATION PARAMETERS
Changes to main.cf are picked up automatically as pipe(8)
processes run for only a limited amount of time. Use the
command "postfix reload" to speed up a change.
The text below provides only a parameter summary. See
postconf(5) for more details including examples.
RESOURCE AND RATE CONTROLS
In the text below, transport is the first field in a mas-
ter.cf entry.
transport_destination_concurrency_limit ($default_destina-
tion_concurrency_limit)
Limit the number of parallel deliveries to the same
destination, for delivery via the named transport.
The limit is enforced by the Postfix queue manager.
transport_destination_recipient_limit ($default_destina-
tion_recipient_limit)
Limit the number of recipients per message deliv-
ery, for delivery via the named transport. The
limit is enforced by the Postfix queue manager.
transport_time_limit ($command_time_limit)
Limit the time for delivery to external command,
for delivery via the named transport. The limit is
enforced by the pipe delivery agent.
Postfix 2.4 and later support a suffix that speci-
fies the time unit: s (seconds), m (minutes), h
(hours), d (days), w (weeks). The default time unit
is seconds.
MISCELLANEOUS CONTROLS
config_directory (see 'postconf -d' output)
The default location of the Postfix main.cf and
master.cf configuration files.
daemon_timeout (18000s)
How much time a Postfix daemon process may take to
handle a request before it is terminated by a
built-in watchdog timer.
delay_logging_resolution_limit (2)
The maximal number of digits after the decimal
point when logging sub-second delay values.
export_environment (see 'postconf -d' output)
The list of environment variables that a Postfix
process will export to non-Postfix processes.
ipc_timeout (3600s)
The time limit for sending or receiving information
over an internal communication channel.
mail_owner (postfix)
The UNIX system account that owns the Postfix queue
and most Postfix daemon processes.
max_idle (100s)
The maximum amount of time that an idle Postfix
daemon process waits for an incoming connection
before terminating voluntarily.
max_use (100)
The maximal number of incoming connections that a
Postfix daemon process will service before termi-
nating voluntarily.
process_id (read-only)
The process ID of a Postfix command or daemon
process.
process_name (read-only)
The process name of a Postfix command or daemon
process.
queue_directory (see 'postconf -d' output)
The location of the Postfix top-level queue direc-
tory.
recipient_delimiter (empty)
The separator between user names and address exten-
sions (user+foo).
syslog_facility (mail)
The syslog facility of Postfix logging.
syslog_name (see 'postconf -d' output)
The mail system name that is prepended to the
process name in syslog records, so that "smtpd"
becomes, for example, "postfix/smtpd".
SEE ALSO
qmgr(8), queue manager
bounce(8), delivery status reports
postconf(5), configuration parameters
master(5), generic daemon options
master(8), process manager
syslogd(8), system logging
LICENSE
The Secure Mailer license must be distributed with this
software.
AUTHOR(S)
Wietse Venema
IBM T.J. Watson Research
P.O. Box 704
Yorktown Heights, NY 10598, USA
PIPE(8)
@
1.1.1.1.2.1
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@file pipe.8.html was added on branch netbsd-5 on 2009-09-15 06:02:15 +0000
@
text
@d1 513
@
1.1.1.1.2.2
log
@Apply patch (requested by tron in ticket #944):
Update Postfix to 2.6.5.
@
text
@a0 513
PIPE(8) PIPE(8)
NAME
pipe - Postfix delivery to external command
SYNOPSIS
pipe [generic Postfix daemon options] command_attributes...
DESCRIPTION
The pipe(8) daemon processes requests from the Postfix
queue manager to deliver messages to external commands.
This program expects to be run from the master(8) process
manager.
Message attributes such as sender address, recipient
address and next-hop host name can be specified as com-
mand-line macros that are expanded before the external
command is executed.
The pipe(8) daemon updates queue files and marks recipi-
ents as finished, or it informs the queue manager that
delivery should be tried again at a later time. Delivery
status reports are sent to the bounce(8), defer(8) or
trace(8) daemon as appropriate.
SINGLE-RECIPIENT DELIVERY
Some destinations cannot handle more than one recipient
per delivery request. Examples are pagers or fax machines.
In addition, multi-recipient delivery is undesirable when
prepending a Delivered-to: or X-Original-To: message
header.
To prevent Postfix from sending multiple recipients per
delivery request, specify
transport_destination_recipient_limit = 1
in the Postfix main.cf file, where transport is the name
in the first column of the Postfix master.cf entry for the
pipe-based delivery transport.
COMMAND ATTRIBUTE SYNTAX
The external command attributes are given in the master.cf
file at the end of a service definition. The syntax is as
follows:
chroot=pathname (optional)
Change the process root directory and working
directory to the named directory. This happens
before switching to the privileges specified with
the user attribute, and before executing the
optional directory=pathname directive. Delivery is
deferred in case of failure.
This feature is available as of Postfix 2.3.
directory=pathname (optional)
Change to the named directory before executing the
external command. The directory must be accessible
for the user specified with the user attribute (see
below). The default working directory is
$queue_directory. Delivery is deferred in case of
failure.
This feature is available as of Postfix 2.2.
eol=string (optional, default: \n)
The output record delimiter. Typically one would
use either \r\n or \n. The usual C-style backslash
escape sequences are recognized: \a \b \f \n \r \t
\v \ddd (up to three octal digits) and \\.
flags=BDFORXhqu.> (optional)
Optional message processing flags. By default, a
message is copied unchanged.
B Append a blank line at the end of each mes-
sage. This is required by some mail user
agents that recognize "From " lines only
when preceded by a blank line.
D Prepend a "Delivered-To: recipient" message
header with the envelope recipient address.
Note: for this to work, the transport_desti-
nation_recipient_limit must be 1 (see SIN-
GLE-RECIPIENT DELIVERY above for details).
The D flag also enforces loop detection
(Postfix 2.5 and later): if a message
already contains a Delivered-To: header with
the same recipient address, then the message
is returned as undeliverable. The address
comparison is case insensitive.
This feature is available as of Postfix 2.0.
F Prepend a "From sender time_stamp" envelope
header to the message content. This is
expected by, for example, UUCP software.
O Prepend an "X-Original-To: recipient" mes-
sage header with the recipient address as
given to Postfix. Note: for this to work,
the transport_destination_recipient_limit
must be 1 (see SINGLE-RECIPIENT DELIVERY
above for details).
This feature is available as of Postfix 2.0.
R Prepend a Return-Path: message header with
the envelope sender address.
X Indicate that the external command performs
final delivery. This flag affects the sta-
tus reported in "success" DSN (delivery sta-
tus notification) messages, and changes it
from "relayed" into "delivered".
This feature is available as of Postfix 2.5.
h Fold the command-line $original_recipient
and $recipient address domain part (text to
the right of the right-most @@ character) to
lower case; fold the entire command-line
$domain and $nexthop host or domain informa-
tion to lower case. This is recommended for
delivery via UUCP.
q Quote white space and other special charac-
ters in the command-line $sender, $origi-
nal_recipient and $recipient address local-
parts (text to the left of the right-most @@
character), according to an 8-bit transpar-
ent version of RFC 822. This is recommended
for delivery via UUCP or BSMTP.
The result is compatible with the address
parsing of command-line recipients by the
Postfix sendmail(1) mail submission command.
The q flag affects only entire addresses,
not the partial address information from the
$user, $extension or $mailbox command-line
macros.
u Fold the command-line $original_recipient
and $recipient address localpart (text to
the left of the right-most @@ character) to
lower case. This is recommended for deliv-
ery via UUCP.
. Prepend "." to lines starting with ".". This
is needed by, for example, BSMTP software.
> Prepend ">" to lines starting with "From ".
This is expected by, for example, UUCP soft-
ware.
null_sender=replacement (default: MAILER-DAEMON)
Replace the null sender address (typically used for
delivery status notifications) with the specified
text when expanding the $sender command-line macro,
and when generating a From_ or Return-Path: message
header.
If the null sender replacement text is a non-empty
string then it is affected by the q flag for
address quoting in command-line arguments.
The null sender replacement text may be empty; this
form is recommended for content filters that feed
mail back into Postfix. The empty sender address is
not affected by the q flag for address quoting in
command-line arguments.
Caution: a null sender address is easily mis-parsed
by naive software. For example, when the pipe(8)
daemon executes a command such as:
Wrong: command -f$sender -- $recipient
the command will mis-parse the -f option value when
the sender address is a null string. For correct
parsing, specify $sender as an argument by itself:
Right: command -f $sender -- $recipient
This feature is available as of Postfix 2.3.
size=size_limit (optional)
Don't deliver messages that exceed this size limit
(in bytes); return them to the sender instead.
user=username (required)
user=username:groupname
Execute the external command with the rights of the
specified username. The software refuses to exe-
cute commands with root privileges, or with the
privileges of the mail system owner. If groupname
is specified, the corresponding group ID is used
instead of the group ID of username.
argv=command... (required)
The command to be executed. This must be specified
as the last command attribute. The command is exe-
cuted directly, i.e. without interpretation of
shell meta characters by a shell command inter-
preter.
In the command argument vector, the following
macros are recognized and replaced with correspond-
ing information from the Postfix queue manager
delivery request.
In addition to the form ${name}, the forms $name
and $(name) are also recognized. Specify $$ where
a single $ is wanted.
${client_address}
This macro expands to the remote client net-
work address.
This feature is available as of Postfix 2.2.
${client_helo}
This macro expands to the remote client HELO
command parameter.
This feature is available as of Postfix 2.2.
${client_hostname}
This macro expands to the remote client
hostname.
This feature is available as of Postfix 2.2.
${client_port}
This macro expands to the remote client TCP
port number.
This feature is available as of Postfix 2.5.
${client_protocol}
This macro expands to the remote client pro-
tocol.
This feature is available as of Postfix 2.2.
${domain}
This macro expands to the domain portion of
the recipient address. For example, with an
address user+foo@@domain the domain is
domain.
This information is modified by the h flag
for case folding.
This feature is available as of Postfix 2.5.
${extension}
This macro expands to the extension part of
a recipient address. For example, with an
address user+foo@@domain the extension is
foo.
A command-line argument that contains
${extension} expands into as many command-
line arguments as there are recipients.
This information is modified by the u flag
for case folding.
${mailbox}
This macro expands to the complete local
part of a recipient address. For example,
with an address user+foo@@domain the mailbox
is user+foo.
A command-line argument that contains
${mailbox} expands to as many command-line
arguments as there are recipients.
This information is modified by the u flag
for case folding.
${nexthop}
This macro expands to the next-hop hostname.
This information is modified by the h flag
for case folding.
${original_recipient}
This macro expands to the complete recipient
address before any address rewriting or
aliasing.
A command-line argument that contains
${original_recipient} expands to as many
command-line arguments as there are recipi-
ents.
This information is modified by the hqu
flags for quoting and case folding.
This feature is available as of Postfix 2.5.
${recipient}
This macro expands to the complete recipient
address.
A command-line argument that contains
${recipient} expands to as many command-line
arguments as there are recipients.
This information is modified by the hqu
flags for quoting and case folding.
${sasl_method}
This macro expands to the name of the SASL
authentication mechanism in the AUTH command
when the Postfix SMTP server received the
message.
This feature is available as of Postfix 2.2.
${sasl_sender}
This macro expands to the SASL sender name
(i.e. the original submitter as per RFC
4954) in the MAIL FROM command when the
Postfix SMTP server received the message.
This feature is available as of Postfix 2.2.
${sasl_username}
This macro expands to the SASL user name in
the AUTH command when the Postfix SMTP
server received the message.
This feature is available as of Postfix 2.2.
${sender}
This macro expands to the envelope sender
address. By default, the null sender address
expands to MAILER-DAEMON; this can be
changed with the null_sender attribute, as
described above.
This information is modified by the q flag
for quoting.
${size}
This macro expands to Postfix's idea of the
message size, which is an approximation of
the size of the message as delivered.
${user}
This macro expands to the username part of a
recipient address. For example, with an
address user+foo@@domain the username part is
user.
A command-line argument that contains
${user} expands into as many command-line
arguments as there are recipients.
This information is modified by the u flag
for case folding.
STANDARDS
RFC 3463 (Enhanced status codes)
DIAGNOSTICS
Command exit status codes are expected to follow the con-
ventions defined in <sysexits.h>. Exit status 0 means
normal successful completion.
Postfix version 2.3 and later support RFC 3463-style
enhanced status codes. If a command terminates with a
non-zero exit status, and the command output begins with
an enhanced status code, this status code takes precedence
over the non-zero exit status.
Problems and transactions are logged to syslogd(8). Cor-
rupted message files are marked so that the queue manager
can move them to the corrupt queue for further inspection.
SECURITY
This program needs a dual personality 1) to access the
private Postfix queue and IPC mechanisms, and 2) to exe-
cute external commands as the specified user. It is there-
fore security sensitive.
CONFIGURATION PARAMETERS
Changes to main.cf are picked up automatically as pipe(8)
processes run for only a limited amount of time. Use the
command "postfix reload" to speed up a change.
The text below provides only a parameter summary. See
postconf(5) for more details including examples.
RESOURCE AND RATE CONTROLS
In the text below, transport is the first field in a mas-
ter.cf entry.
transport_destination_concurrency_limit ($default_destina-
tion_concurrency_limit)
Limit the number of parallel deliveries to the same
destination, for delivery via the named transport.
The limit is enforced by the Postfix queue manager.
transport_destination_recipient_limit ($default_destina-
tion_recipient_limit)
Limit the number of recipients per message deliv-
ery, for delivery via the named transport. The
limit is enforced by the Postfix queue manager.
transport_time_limit ($command_time_limit)
Limit the time for delivery to external command,
for delivery via the named transport. The limit is
enforced by the pipe delivery agent.
Postfix 2.4 and later support a suffix that speci-
fies the time unit: s (seconds), m (minutes), h
(hours), d (days), w (weeks). The default time unit
is seconds.
MISCELLANEOUS CONTROLS
config_directory (see 'postconf -d' output)
The default location of the Postfix main.cf and
master.cf configuration files.
daemon_timeout (18000s)
How much time a Postfix daemon process may take to
handle a request before it is terminated by a
built-in watchdog timer.
delay_logging_resolution_limit (2)
The maximal number of digits after the decimal
point when logging sub-second delay values.
export_environment (see 'postconf -d' output)
The list of environment variables that a Postfix
process will export to non-Postfix processes.
ipc_timeout (3600s)
The time limit for sending or receiving information
over an internal communication channel.
mail_owner (postfix)
The UNIX system account that owns the Postfix queue
and most Postfix daemon processes.
max_idle (100s)
The maximum amount of time that an idle Postfix
daemon process waits for an incoming connection
before terminating voluntarily.
max_use (100)
The maximal number of incoming connections that a
Postfix daemon process will service before termi-
nating voluntarily.
process_id (read-only)
The process ID of a Postfix command or daemon
process.
process_name (read-only)
The process name of a Postfix command or daemon
process.
queue_directory (see 'postconf -d' output)
The location of the Postfix top-level queue direc-
tory.
recipient_delimiter (empty)
The separator between user names and address exten-
sions (user+foo).
syslog_facility (mail)
The syslog facility of Postfix logging.
syslog_name (see 'postconf -d' output)
The mail system name that is prepended to the
process name in syslog records, so that "smtpd"
becomes, for example, "postfix/smtpd".
SEE ALSO
qmgr(8), queue manager
bounce(8), delivery status reports
postconf(5), configuration parameters
master(5), generic daemon options
master(8), process manager
syslogd(8), system logging
LICENSE
The Secure Mailer license must be distributed with this
software.
AUTHOR(S)
Wietse Venema
IBM T.J. Watson Research
P.O. Box 704
Yorktown Heights, NY 10598, USA
PIPE(8)
@
1.1.1.1.2.3
log
@Pull up following revision(s) (requested by tron in ticket #1425):
Update Postfix to version 2.7.1:
- Improved before-queue content filter performance. With
"smtpd_proxy_options = speed_adjust", the Postfix SMTP server
receives the entire message before it connects to a before-queue
content filter. Typically, this allows Postfix to handle the same
mail load with fewer content filter processes.
- Improved address verification performance. The verify database is now
persistent by default, and it is automatically cleaned periodically.
Under overload conditions, the Postfix SMTP server no longer waits
up to 6 seconds for an address probe to complete.
- Support for reputation management based on the local SMTP client
IP address. This is typically implemented with
"FILTER transportname:" actions in access maps or header/body checks,
and mail delivery transports in master.cf with
unique smtp_bind_address values.
@
text
@d203 6
a208 6
Execute the external command with the user ID and
group ID of the specified username. The software
refuses to execute commands with root privileges,
or with the privileges of the mail system owner. If
groupname is specified, the corresponding group ID
is used instead of the group ID of username.
d384 5
a388 6
In the case of a non-zero exit status, a limited amount of
command output is reported in an delivery status notifica-
tion. When the output begins with a 4.X.X or 5.X.X
enhanced status code, the status code takes precedence
over the non-zero exit status (Postfix version 2.3 and
later).
d390 2
a391 2
Problems and transactions are logged to syslogd(8). Cor-
rupted message files are marked so that the queue manager
d395 2
a396 2
This program needs a dual personality 1) to access the
private Postfix queue and IPC mechanisms, and 2) to exe-
d401 2
a402 2
Changes to main.cf are picked up automatically as pipe(8)
processes run for only a limited amount of time. Use the
d405 1
a405 1
The text below provides only a parameter summary. See
d409 1
a409 1
In the text below, transport is the first field in a mas-
d415 1
a415 1
destination, for delivery via the named transport.
d420 2
a421 2
Limit the number of recipients per message deliv-
ery, for delivery via the named transport. The
d425 1
a425 1
Limit the time for delivery to external command,
d429 2
a430 2
Postfix 2.4 and later support a suffix that speci-
fies the time unit: s (seconds), m (minutes), h
d436 1
a436 1
The default location of the Postfix main.cf and
d440 2
a441 2
How much time a Postfix daemon process may take to
handle a request before it is terminated by a
d445 1
a445 1
The maximal number of digits after the decimal
d449 1
a449 1
The list of environment variables that a Postfix
d461 2
a462 2
The maximum amount of time that an idle Postfix
daemon process waits for an incoming connection
d466 2
a467 2
The maximal number of incoming connections that a
Postfix daemon process will service before termi-
d471 1
a471 1
The process ID of a Postfix command or daemon
d475 1
a475 1
The process name of a Postfix command or daemon
d479 1
a479 1
The location of the Postfix top-level queue direc-
d490 2
a491 2
The mail system name that is prepended to the
process name in syslog records, so that "smtpd"
d503 1
a503 1
The Secure Mailer license must be distributed with this
@