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	netbsd-11-0-RC7:1.1.1.1.2.1
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	netbsd-11-0-RC5:1.1.1.1.2.1
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1.1
log
@Initial revision
@
text
@PPoossttffiixx RReeppllaacceemmeennttss ffoorr DDeepprreeccaatteedd FFeeaattuurreess

-------------------------------------------------------------------------------

PPuurrppoossee ooff tthhiiss ddooccuummeenntt

This document describes Postfix features that are deprecated (will be removed)
or that have already been removed. It also has tips for making an existing
Postfix configuration more future-proof.

Overview:

  * Why deprecate?
  * Deprecation process
  * Deprecated features

WWhhyy ddeepprreeccaattee??

Sometimes, a Postfix feature needs to be replaced with a different one. To give
an example:

  * The initial Postfix TLS implementation used multiple boolean parameters:
    one parameter to enable opportunistic TLS (for example, "smtp_enforce_tls =
    yes") and one parameter to enable mandatory TLS (for example,
    "smtp_require_tls = yes").

  * As we added support more features such as fingerprint, dane, and so on, we
    decided not to add more boolean parameters. Instead we introduced one
    configuration parameter to select from multiple deployment models (for
    example, smtp_tls_security_level = may | encrypt | dane, etc...).

Having both the "old" and "new" way to configure Postfix is convenient for
existing Postfix installations, because their configuration does not break
after an upgrade to a new version. Unfortunately, there are also disadvantages.
Having multiple ways to do similar things is not only confusing for newcomers,
it also makes Postfix harder to change.

DDeepprreeccaattiioonn pprroocceessss

The basic process steps are:

 1. Inform humans that a feature will be removed, and suggest replacements, in
    logging and documentation.

 2. Remove the feature, and update logging and documentation.

Disclaimer: it has taken 20 years for some features to be removed. This past is
not a guarantee for the future.

DDeepprreeccaatteedd ffeeaattuurreess

The table summarizes removed or deprecated features and replacements. Click on
the "obsolete feature" name for a more detailed description.

     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |                           |WWaarrnniinngg|          |                         |
    |OObbssoolleettee ffeeaattuurree nnaammee      |aass     |RReemmoovveedd   |RReeppllaacceemmeenntt              |
    |                           |ooff     |iinn vveerrssiioonn|                         |
    |                           |vveerrssiioonn|          |                         |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |disable_dns_lookups        |   3.9 |      -   |smtp_dns_support_level   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_use_tls                |   3.9 |      -   |xxx_tls_security_level   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_enforce_tls            |   3.9 |      -   |xxx_tls_security_level   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_per_site               |   3.9 |      -   |xxx_policy_maps          |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_dh1024_param_file|   3.9 |      -   |do not specify (leave at |
    |                           |       |          |default)                 |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_eecdh_grade      |   3.9 |      -   |do not specify (leave at |
    |                           |       |          |default)                 |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_mx_backup           |   3.9 |      -   |relay_domains            |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |check_relay_domains        |   2.2 |     3.9  |permit_mynetworks,       |
    |                           |       |          |reject_unauth_destination|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |reject_maps_rbl            |   2.1 |     3.9  |reject_rbl_client        |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_naked_ip_address    |   2.0 |     3.9  |permit_mynetworks,       |
    |                           |       |          |permit_sasl_authenticated|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

OObbssoolleettee DDNNSS oonn//ooffff ccoonnffiigguurraattiioonn

The postconf(1) command logs the following:

  * support for parameter "disable_dns_lookups" will be removed; instead,
    specify "smtp_dns_support_level"

Replace obsolete configuration with its replacement:

     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |GGooaall                  |OObbssoolleettee ccoonnffiigguurraattiioonn  |RReeppllaacceemmeenntt             |
    |                      |                        |ccoonnffiigguurraattiioonn           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To disable DNS lookups|disable_dns_lookups =   |smtp_dns_support_level =|
    |in the Postfix SMTP/  |yes                     |disabled                |
    |LMTP client           |                        |                        |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |                      |                        |Leave                   |
    |                      |                        |smtp_dns_support_level  |
    |To enable DNS lookups |                        |at the implicit default |
    |in the Postfix SMTP/  |disable_dns_lookups = no|which is empty, unless  |
    |LMTP client           |                        |you need a higher       |
    |                      |                        |support level such as   |
    |                      |                        |DNSSEC.                 |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

OObbssoolleettee ooppppoorrttuunniissttiicc TTLLSS ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "lmtp_use_tls" will be removed; instead, specify
    "lmtp_tls_security_level"
  * support for parameter "smtp_use_tls" will be removed; instead, specify
    "smtp_tls_security_level"
  * support for parameter "smtpd_use_tls" will be removed; instead, specify
    "smtpd_tls_security_level"

There are similarly-named parameters and warnings for postscreen(8) and
tlsproxy(8), but those parameters should rarely be specified by hand.

Replace obsolete configuration with its replacement:

     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |GGooaall                    |OObbssoolleettee ccoonnffiigguurraattiioonn|RReeppllaacceemmeenntt ccoonnffiigguurraattiioonn|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To turn off TLS         |xxx_use_tls = no      |xxx_security_level = none|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To turn on opportunistic|xxx_use_tls = yes     |xxx_security_level = may |
    |TLS                     |                      |                         |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

OObbssoolleettee mmaannddaattoorryy TTLLSS ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "lmtp_enforce_tls" will be removed; instead, specify
    "lmtp_tls_security_level"
  * support for parameter "smtp_enforce_tls" will be removed; instead, specify
    "smtp_tls_security_level"
  * support for parameter "smtpd_enforce_tls" will be removed; instead, specify
    "smtpd_tls_security_level"

There are similarly-named parameters and warnings for postscreen(8) and
tlsproxy(8), but those parameters should rarely be specified by hand.

Replace obsolete configuration with its replacement:

     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |GGooaall                    |OObbssoolleettee ccoonnffiigguurraattiioonn|RReeppllaacceemmeenntt ccoonnffiigguurraattiioonn|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To turn off mandatory   |xxx_enforce_tls = no  |xxx_security_level = may |
    |TLS                     |                      |                         |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To turn on mandatory TLS|xxx_enforce_tls = yes |xxx_security_level =     |
    |                        |                      |encrypt                  |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

OObbssoolleettee TTLLSS ppoolliiccyy ttaabbllee ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "lmtp_tls_per_site" will be removed; instead, specify
    "lmtp_tls_policy_maps"
  * support for parameter "smtp_tls_per_site" will be removed; instead, specify
    "smtp_tls_policy_maps"

There is similarly-named parameter and warning for tlsproxy(8), but that
parameter should rarely be specified by hand.

Unfortunately, this is more than a name change: the table format has changed
too, as has the table search process. There is no simple conversion of the
obsolete form to its replacement.

cchheecckk__rreellaayy__ddoommaaiinnss

Depending on the Postfix version, the Postfix SMTP daemon logs following
warning:

  * support for restriction "check_relay_domains" has been removed in Postfix
    3.9"; instead, specify "reject_unauth_destination"
  * support for restriction "check_relay_domains" will be removed from Postfix;
    use "reject_unauth_destination" instead

This feature was removed because it would relay based on the client domain
name, which is not robust.

Recommended configuration to prevent an "open relay" problem with the SMTP
service on port 25:

    main.cf:
        smtpd_recipient_restrictions =
            permit_mynetworks,
            permit_sasl_authenticated,
            reject_unauth_destination
            ...other restrictions...

Or equivalent in smtpd_relay_restrictions.

ppeerrmmiitt__mmxx__bbaacckkuupp

The Postfix version 3.9 and later SMTP daemon logs the following warning:

  * support for restriction "permit_mx_backup" will be removed from Postfix;
    instead, specify "relay_domains"

This feature will be removed because it is too difficult to configure recipient
address validation, making Postfix a source of backscatter bounces.

To specify the domains that Postfix will provide MX backup service for, see
Configuring Postfix as primary or backup MX host for a remote site.

rreejjeecctt__mmaappss__rrbbll

Depending on the Postfix version, the SMTP daemon logs one of the following
warnings:

  * support for restriction "reject_maps_rbl" has been removed in Postfix 3.9";
    instead, specify "reject_rbl_client domain-name"
  * support for restriction "reject_maps_rbl" will be removed from Postfix; use
    "reject_rbl_client domain-name" instead

This feature was replaced because "MAPS RBL" is the name of a specific
reputation service. The reject_rbl_client feature provides a superset of the
reject_maps_rbl functionality.

Recommended configuration:

    main.cf:
        smtpd_recipient_restrictions =
            permit_mynetworks,
            permit_sasl_authenticated,
            reject_unauth_destination
            reject_rbl_client domain-name
            ...other restrictions...

Where domain-name is the domain name of a DNS reputation service.

ppeerrmmiitt__nnaakkeedd__iipp__aaddddrreessss

Depending on the Postfix version, the SMTP daemon logs one of the following
warnings:

  * support for restriction "permit_naked_ip_address" has been removed in
    Postfix 3.9"; instead, specify "permit_mynetworks" or
    "permit_sasl_authenticated"
  * restriction permit_naked_ip_address is deprecated. Use permit_mynetworks or
    permit_sasl_authenticated instead

This feature was removed because it was easy to get a false match when
smtpd_recipient_restrictions was intended to match a remote SMTP client IP
address.

Recommended configuration:

    main.cf:
        smtpd_recipient_restrictions =
            permit_mynetworks,
            permit_sasl_authenticated,
            reject_unauth_destination
            reject_rbl_client domain-name
            ...other restrictions...

That is, no restriction on HELO or EHLO syntax. Such restrictions ar rarely
useful nowadays.

@


1.1.1.1
log
@Import postfix-3.10.1 (previous was 3.8.4)

Summary:

Postfix 3.9 (July 2022): This release focused on enhancing the TLS
(Transport Layer Security) capabilities of Postfix. It introduced
support for TLSv1.3, allowing for more secure and efficient encrypted
communications. Additionally, improvements were made to the handling
of TLSA records, which are used in DNS-based Authentication of
Named Entities (DANE) to associate TLS certificates with domain
names.

Postfix 3.10 (July 2023): This version brought significant updates
to Postfix's SMTP (Simple Mail Transfer Protocol) functionalities.
It added support for the SMTPUTF8 extension, enabling the use of
UTF-8 encoding in email addresses and headers, which is essential
for internationalization. The release also included performance
optimizations, particularly in the handling of large mail queues,
and introduced new configuration parameters to provide administrators
with finer control over mail processing.

The changes are described more in detail in:
3.10 changes: RELEASE_NOTES
3.9  changes: RELEASE_NOTES_3.9
3.8  changes: RELEASE_NOTES_3.8
@
text
@@


1.1.1.1.2.1
log
@Pull up the following, requested by christos in ticket #283:

	external/ibm-public/postfix//dist/README_FILES/NON_BERKELEYDB_README up to
	external/ibm-public/postfix//dist/README_FILES/REQUIRETLS_README up to
	external/ibm-public/postfix//dist/conf/postfix-non-bdb-script up to
	external/ibm-public/postfix//dist/html/NON_BERKELEYDB_README.html up to
	external/ibm-public/postfix//dist/html/REQUIRETLS_README.html up to
	external/ibm-public/postfix//dist/html/nbdb_reindexd.8.html up to
	external/ibm-public/postfix//dist/html/postfix-non-bdb.1.html up to
	external/ibm-public/postfix//dist/man/man1/postfix-non-bdb.1 up to
	external/ibm-public/postfix//dist/man/man8/nbdb_reindexd.8 up to
	external/ibm-public/postfix//dist/mantools/check-proxy-type-table up to
	external/ibm-public/postfix//dist/proto/NON_BERKELEYDB_README.html up to
	external/ibm-public/postfix//dist/proto/REQUIRETLS_README.html up to
	external/ibm-public/postfix//dist/src/cleanup/cleanup_message_test.c up to
	external/ibm-public/postfix//dist/src/global/ehlo_mask_test.c up to
	external/ibm-public/postfix//dist/src/global/nbdb_clnt.c up to
	external/ibm-public/postfix//dist/src/global/allowed_prefix.c up to
	external/ibm-public/postfix//dist/src/global/allowed_prefix.h up to
	external/ibm-public/postfix//dist/src/global/allowed_prefix_test.c up to
	external/ibm-public/postfix//dist/src/global/dict_sqlite_test.c up to
	external/ibm-public/postfix//dist/src/global/haproxy_srvr_test.c up to
	external/ibm-public/postfix//dist/src/global/login_sender_match_test.c up to
	external/ibm-public/postfix//dist/src/global/nbdb_clnt.h up to
	external/ibm-public/postfix//dist/src/global/nbdb_redirect.c up to
	external/ibm-public/postfix//dist/src/global/nbdb_redirect.h up to
	external/ibm-public/postfix//dist/src/global/nbdb_redirect_test.c up to
	external/ibm-public/postfix//dist/src/global/nbdb_surrogate.c up to
	external/ibm-public/postfix//dist/src/global/nbdb_surrogate.h up to
	external/ibm-public/postfix//dist/src/global/nbdb_surrogate_test.c up to
	external/ibm-public/postfix//dist/src/global/nbdb_util.c up to
	external/ibm-public/postfix//dist/src/global/nbdb_util.h up to
	external/ibm-public/postfix//dist/src/global/nbdb_util_test.c up to
	external/ibm-public/postfix//dist/src/global/pol_stats.c up to
	external/ibm-public/postfix//dist/src/global/pol_stats.h up to
	external/ibm-public/postfix//dist/src/global/pol_stats_test.c up to
	external/ibm-public/postfix//dist/src/postalias/mode_conflict_test.in up to
	external/ibm-public/postfix//dist/src/postalias/mode_conflict_test.ref up to
	external/ibm-public/postfix//dist/src/postconf/test77-main.cf up to
	external/ibm-public/postfix//dist/src/postconf/test77.ref up to
	external/ibm-public/postfix//dist/src/postconf/test78.ref up to
	external/ibm-public/postfix//dist/src/postconf/test79.ref up to
	external/ibm-public/postfix//dist/src/postconf/test80.ref up to
	external/ibm-public/postfix//dist/src/postconf/test81.ref up to
	external/ibm-public/postfix//dist/src/postconf/test82.ref up to
	external/ibm-public/postfix//dist/src/postconf/test83.ref up to
	external/ibm-public/postfix//dist/src/postconf/test84.ref up to
	external/ibm-public/postfix//dist/src/postconf/test85.ref up to
	external/ibm-public/postfix//dist/src/postconf/test86.ref up to
	external/ibm-public/postfix//dist/src/postconf/test87.ref up to
	external/ibm-public/postfix//dist/src/postconf/test91.ref up to
	external/ibm-public/postfix//dist/src/postmap/mode_conflict_test.in up to
	external/ibm-public/postfix//dist/src/postmap/mode_conflict_test.ref up to
	external/ibm-public/postfix//dist/src/postmulti/fake_strcmp.c up to
	external/ibm-public/postfix//dist/src/smtp/smtp_reqtls_policy.c up to
	external/ibm-public/postfix//dist/src/smtp/smtp_reqtls_policy.h up to
	external/ibm-public/postfix//dist/src/smtp/smtp_reqtls_policy_test.c up to
	external/ibm-public/postfix//dist/src/smtp/smtp_tls_policy_test.c up to
	external/ibm-public/postfix//dist/src/smtpd/smtpd_peer_test.c up to
	external/ibm-public/postfix//dist/src/util/dict_union_test.c up to
	external/ibm-public/postfix//dist/src/util/hash_fnv_test.c up to
	external/ibm-public/postfix//dist/src/util/mac_midna.h up to
	external/ibm-public/postfix//dist/src/util/normalize_v4mapped_addr.c up to
	external/ibm-public/postfix//dist/src/util/dict_debug.h up to
	external/ibm-public/postfix//dist/src/util/dict_debug_test.ref up to
	external/ibm-public/postfix//dist/src/util/dict_debug_test.sh up to
	external/ibm-public/postfix//dist/src/util/dict_pipe_test.c up to
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	external/ibm-public/postfix/dist/src/global/config_known_tcp_ports.c up to 1.3
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	external/ibm-public/postfix/dist/src/postconf/test57.ref up to 1.1.1.2
	external/ibm-public/postfix/dist/src/postconf/test59.ref up to 1.1.1.4
	external/ibm-public/postfix/dist/src/postconf/test67.ref up to 1.1.1.3
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	external/ibm-public/postfix/dist/src/util/unescape.ref up to 1.1.1.3
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	external/ibm-public/postfix/dist/src/util/vstream.h up to 1.5
	external/ibm-public/postfix/dist/src/util/vstring.c up to 1.5
	external/ibm-public/postfix/dist/src/util/vstring_vstream.c up to 1.3
	external/ibm-public/postfix/dist/src/verify/verify.c up to 1.6
	external/ibm-public/postfix/dist/src/virtual/Makefile.in up to 1.1.1.7
	external/ibm-public/postfix/dist/src/virtual/virtual.c up to 1.5
	external/ibm-public/postfix/dist/src/virtual/virtual.h up to 1.2
	external/ibm-public/postfix/dist/src/xsasl/xsasl_dovecot_server.c up to 1.6
	external/ibm-public/postfix/lib/global/Makefile up to 1.12
	external/ibm-public/postfix/lib/util/Makefile   up to 1.13
	external/ibm-public/postfix/libexec/smtp/Makefile up to 1.5
	doc/3RDPARTY						(manually edited)

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     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |                                        |WWaarrnniinngg|RReemmoovveedd|                                    |
    |OObbssoolleettee ffeeaattuurree nnaammee                   |aass     |       |RReeppllaacceemmeenntt                         |
    |                                        |ooff     |iinn     |                                    |
    |                                        |vveerrssiioonn|vveerrssiioonn|                                    |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |authorized_verp_clients                 |  3.11 |    -  |smtpd_authorized_verp_clients       |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |fallback_relay                          |  3.11 |    -  |smtp_fallback_relay                 |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |lmtp_per_record_deadline                |  3.11 |    -  |lmtp_per_request_deadline           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_blacklist_action             |  3.11 |    -  |postscreen_denylist_action          |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_dnsbl_ttl                    |  3.11 |    -  |postscreen_dnsbl_max_ttl            |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_dnsbl_whitelist_threshold    |  3.11 |    -  |postscreen_dnsbl_allowlist_threshold|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_whitelist_interfaces         |  3.11 |    -  |postscreen_allowlist_interfaces     |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_client_connection_limit_exceptions|  3.11 |    -  |smtpd_client_event_limit_exceptions |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_per_record_deadline               |  3.11 |    -  |smtpd_per_request_deadline          |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtp_per_record_deadline                |  3.11 |    -  |smtp_per_request_deadline           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |tlsproxy_client_level                   |  3.11 |    -  |tlsproxy_client_security_level      |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |tlsproxy_client_policy                  |  3.11 |    -  |tlsproxy_client_policy_maps         |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |virtual_maps                            |  3.11 |    -  |virtual_alias_maps                  |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtp_cname_overrides_servername         |  3.11 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |lmtp_cname_overrides_servername         |  3.11 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_tls_enforce_peername                |  3.11 |    -  |xxx_tls_security_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |disable_dns_lookups                     |   3.9 |    -  |smtp_dns_support_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_use_tls                             |   3.9 |    -  |xxx_tls_security_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_enforce_tls                         |   3.9 |    -  |xxx_tls_security_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_per_site                            |   3.9 |    -  |xxx_policy_maps                     |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_dh1024_param_file             |   3.9 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_eecdh_grade                   |   3.9 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_mx_backup                        |   3.9 |    -  |relay_domains                       |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |check_relay_domains                     |   2.2 |   3.9 |permit_mynetworks,                  |
    |                                        |       |       |reject_unauth_destination           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |reject_maps_rbl                         |   2.1 |   3.9 |reject_rbl_client                   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_naked_ip_address                 |   2.0 |   3.9 |permit_mynetworks,                  |
    |                                        |       |       |permit_sasl_authenticated           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

PPaarraammeetteerrss tthhaatt hhaavvee bbeeeenn rreennaammeedd ffoorr ccoonnssiisstteennccyy

The postconf(1) command logs one or more of the following:

  * support for parameter "authorized_verp_clients" will be removed; instead,
    specify "smtpd_authorized_verp_clients"
  * support for parameter "fallback_relay" will be removed; instead, specify
    "smtp_fallback_relay"
  * support for parameter "lmtp_per_record_deadline" will be removed; instead,
    specify "lmtp_per_request_deadline"
  * support for parameter "postscreen_blacklist_action" will be removed;
    instead, specify "postscreen_denylist_action"
  * support for parameter "postscreen_dnsbl_ttl" will be removed; instead,
    specify "postscreen_dnsbl_max_ttl"
  * support for parameter "postscreen_dnsbl_whitelist_threshold" will be
    removed; instead, specify "postscreen_dnsbl_allowlist_threshold"
  * support for parameter "postscreen_whitelist_interfaces" will be removed;
    instead, specify "postscreen_allowlist_interfaces"
  * support for parameter "smtpd_client_connection_limit_exceptions" will be
    removed; instead, specify "smtpd_client_event_limit_exceptions"
  * support for parameter "smtp_per_record_deadline" will be removed; instead,
    specify "smtp_per_request_deadline"
  * support for parameter "tlsproxy_client_level" will be removed; instead,
    specify "tlsproxy_client_security_level"
  * support for parameter "tlsproxy_client_policy" will be removed; instead,
    specify "tlsproxy_client_policy_maps"
  * support for parameter "virtual_maps" will be removed; instead, specify
    "virtual_alias_maps"

The above parameters have been renamed for consistency with other parameters.
For backwards compatibility, the old parameter values are used as the default
value for the new parameters, but they will eventually be removed to eliminate
clutter and confusion

To silence these warning messages, edit main.cf or master.cf, and replace each
obsolete parameter name with its replacement.

OObbssoolleettee CCNNAAMMEE oovveerrrriiddee ffoorr ppeeeerr nnaammee ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "smtp_cname_overrides_servername" will be removed;
    instead, do not specify
  * support for parameter "lmtp_cname_overrides_servername" will be removed;
    instead, do not specify

These features control whether a DNS CNAME record can override the server peer
name that Postfix will use for policy lookup or for certificate verification.
This behavior is disabled by default as of Postfix 2.11, because it no longer
solves a real problem.

OObbssoolleettee TTLLSS ppeeeerr nnaammee mmaattcchh ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "lmtp_tls_enforce_peername" will be removed; instead,
    specify "lmtp_tls_security_level"
  * support for parameter "smtp_tls_enforce_peername" will be removed; instead,
    specify "smtp_tls_security_level"

There are similarly-named parameters and warnings for postscreen(8) and
tlsproxy(8), but those parameters should rarely be specified by hand.

Replace obsolete configuration with its replacement:

d56 29
a84 11
    |GGooaall                   |OObbssoolleettee ccoonnffiigguurraattiioonn|RReeppllaacceemmeenntt ccoonnffiigguurraattiioonn|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |                       |                      |xxx_security_level =     |
    |Enforce peer name match|xxx_enforce_peername =|verify                   |
    |with server certificate|yes                   |xxx_security_level =     |
    |                       |                      |secure                   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |Disable peer name match|xxx_enforce_peername =|xxx_security_level = may |
    |with server certificate|no                    |xxx_security_level =     |
    |                       |                      |encrypt                  |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
@


1.1.1.2
log
@Import postfix 3.11.2 (previous was 3.10.1)

Changes in 3.11.2

Bugfix (defect introduced: Postfix 3.11): the proxymap(8) daemon
dereferenced an uninitialized pointer after a request protocol
error. This daemon is not exposed to local or remote users. Found
by Claude Opus 4.6.

Bugfix (defect introduced: 20260309) a change, to set the service_name
default value to "amnesiac", violated a test that parameter names
in postconf output must match 1:1 with parameter names in the
postlink script.

Changes in 3.11.1

Bugfix (defect introduced: 20260219): alias_maps errors when
default_database_type was not set in main.cf. Fix by Michael Tokarev.

Bugfix (defect introduced: Postfix 3.0): buffer over-read when
Postfix is configured with an enhanced status code not followed by
other text. For example, "5.7.2" without text after the three-number
code, in an access(5) table, header or body checks, or with "$rbl_code
$rbl_text" in rbl_reply_maps or default_rbl_reply. These are all
uncommon configurations. Problem reported by Kamil Frankowicz.

Bugfix (defect introduced: Postfix 3.3): null pointer in nbdb_reindexd(8)
because the "service_name" value was not propagated. Report by
Michael Tokarev.

During Postfix start-up, avoid a spurious error message from
nbdb_reindexd(8), when non_bdb_migration_level disables automatic
re-indexing.

Changes in 3.11.0

Postfix stable release 3.11.0 is available. Postfix 3.7 - 3.10 were
updated a few weeks ago; after that, Postfix 3.7 will no longer be
updated.

The main changes are below. See the RELEASE_NOTES file for further details.

Berkeley DB migration:

Some (Linux) distributions are removing support for BerkeleyDB
databases (In Postfix, this means we lose support for the hash:
and btree: lookup tables). See NON_BERKELEYDB_README for manual
and partially automatic migration from btree: to lmdb:, and from
hash: to lmdb: or cdb:.

The loss of BerkeleyDB affects Mailman versions that want to execute
commands like "postmap hash:/path/to/file" when a mailing list is
added or removed. Postfix provides a way to redirect such commands
to a supported database type.

You don't have to wait until BerkeleyDB support is removed. It can
make sense to migrate while BerkeleyDB support is still available
(mainly, less downtime).

Changes in TLS support:

Default TLS security. The Postfix SMTP client smtp_tls_security_level
default value is "may" if Postfix was built with TLS support, and
the compatibility_level is 3.11 or higher.

Support for the RFC 8689 "REQUIRETLS" verb in ESMTP. This requires
that every SMTP (and LMTP) server in the forward path is strongly
authenticated with DANE, STS, or equivalent, and that every server
announces REQUIRETLS support.

See REQUIRETLS_README for suggestions to carefully enforce REQUIRETLS
without causing massive mail delivery problems.

Logging the TLS security level. This shows the desired and actual
TLS security level enforcement status and, if a message requests
REQUIRETLS, the REQUIRETLS policy enforcement status. For a list
of examples see smtp_log_tls_feature_status

Workaround for an interface mismatch between the Postfix SMTP client
and MTA-STS policy plugins. This introduces a new parameter
smtp_tls_enforce_sts_mx_patterns (default: "yes"). The MTA-STS
plugin configuration needs to enable TLSRPT support, so that it
forwards STS policy attributes to Postfix. Both postfix-tlspol and
postfix-mta-sts-resolver have been updated accordingly.

With this, the Postfix SMTP client will connect to an MX host only
if its name matches any STS policy MX host pattern, and will match
a server certificate against the MX hostname. Otherwise, the old
behavior stays in effect: connect to any MX host listed in DNS,
and match a server certificate against any STS policy MX host
pattern.

Post-quantum cryptography support. With OpenSSL 3.5 and later,
change the tls_eecdh_auto_curves default value to avoid problems
with network infrastructure that mishandles TLS hello messages
larger than one (Ethernet) TCP segment. This problem is more
generally known as "protocol ossification".

Miscellaneous changes:

Deprecation of obsolete parameters. Postfix programs log a warning
that these parameters will be removed. See DEPRECATION_README for
a list of deprecated parameters.

JSON output support with "postconf -j|-jM|-jF|-jP", "postalias
-jq|-js", "postmap -jq|-js", and "postmulti -jl". No support is
planned for JSON input support.

Milter support: improved Milter error handling for messages that
arrive over a long-lived SMTP connection, by changing the default
milter_default_action from "tempfail" to the new "shutdown" action
(i.e. disconnect the remote SMTP client). This was already back-ported
to earlier stable releases.

For more changes in the 3.10 branch see:
https://www.postfix.org/announcements.html
@
text
@a54 126
     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |                                        |WWaarrnniinngg|RReemmoovveedd|                                    |
    |OObbssoolleettee ffeeaattuurree nnaammee                   |aass     |       |RReeppllaacceemmeenntt                         |
    |                                        |ooff     |iinn     |                                    |
    |                                        |vveerrssiioonn|vveerrssiioonn|                                    |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |authorized_verp_clients                 |  3.11 |    -  |smtpd_authorized_verp_clients       |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |fallback_relay                          |  3.11 |    -  |smtp_fallback_relay                 |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |lmtp_per_record_deadline                |  3.11 |    -  |lmtp_per_request_deadline           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_blacklist_action             |  3.11 |    -  |postscreen_denylist_action          |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_dnsbl_ttl                    |  3.11 |    -  |postscreen_dnsbl_max_ttl            |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_dnsbl_whitelist_threshold    |  3.11 |    -  |postscreen_dnsbl_allowlist_threshold|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_whitelist_interfaces         |  3.11 |    -  |postscreen_allowlist_interfaces     |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_client_connection_limit_exceptions|  3.11 |    -  |smtpd_client_event_limit_exceptions |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_per_record_deadline               |  3.11 |    -  |smtpd_per_request_deadline          |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtp_per_record_deadline                |  3.11 |    -  |smtp_per_request_deadline           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |tlsproxy_client_level                   |  3.11 |    -  |tlsproxy_client_security_level      |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |tlsproxy_client_policy                  |  3.11 |    -  |tlsproxy_client_policy_maps         |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |virtual_maps                            |  3.11 |    -  |virtual_alias_maps                  |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtp_cname_overrides_servername         |  3.11 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |lmtp_cname_overrides_servername         |  3.11 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_tls_enforce_peername                |  3.11 |    -  |xxx_tls_security_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |disable_dns_lookups                     |   3.9 |    -  |smtp_dns_support_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_use_tls                             |   3.9 |    -  |xxx_tls_security_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_enforce_tls                         |   3.9 |    -  |xxx_tls_security_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_per_site                            |   3.9 |    -  |xxx_policy_maps                     |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_dh1024_param_file             |   3.9 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_eecdh_grade                   |   3.9 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_mx_backup                        |   3.9 |    -  |relay_domains                       |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |check_relay_domains                     |   2.2 |   3.9 |permit_mynetworks,                  |
    |                                        |       |       |reject_unauth_destination           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |reject_maps_rbl                         |   2.1 |   3.9 |reject_rbl_client                   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_naked_ip_address                 |   2.0 |   3.9 |permit_mynetworks,                  |
    |                                        |       |       |permit_sasl_authenticated           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

PPaarraammeetteerrss tthhaatt hhaavvee bbeeeenn rreennaammeedd ffoorr ccoonnssiisstteennccyy

The postconf(1) command logs one or more of the following:

  * support for parameter "authorized_verp_clients" will be removed; instead,
    specify "smtpd_authorized_verp_clients"
  * support for parameter "fallback_relay" will be removed; instead, specify
    "smtp_fallback_relay"
  * support for parameter "lmtp_per_record_deadline" will be removed; instead,
    specify "lmtp_per_request_deadline"
  * support for parameter "postscreen_blacklist_action" will be removed;
    instead, specify "postscreen_denylist_action"
  * support for parameter "postscreen_dnsbl_ttl" will be removed; instead,
    specify "postscreen_dnsbl_max_ttl"
  * support for parameter "postscreen_dnsbl_whitelist_threshold" will be
    removed; instead, specify "postscreen_dnsbl_allowlist_threshold"
  * support for parameter "postscreen_whitelist_interfaces" will be removed;
    instead, specify "postscreen_allowlist_interfaces"
  * support for parameter "smtpd_client_connection_limit_exceptions" will be
    removed; instead, specify "smtpd_client_event_limit_exceptions"
  * support for parameter "smtp_per_record_deadline" will be removed; instead,
    specify "smtp_per_request_deadline"
  * support for parameter "tlsproxy_client_level" will be removed; instead,
    specify "tlsproxy_client_security_level"
  * support for parameter "tlsproxy_client_policy" will be removed; instead,
    specify "tlsproxy_client_policy_maps"
  * support for parameter "virtual_maps" will be removed; instead, specify
    "virtual_alias_maps"

The above parameters have been renamed for consistency with other parameters.
For backwards compatibility, the old parameter values are used as the default
value for the new parameters, but they will eventually be removed to eliminate
clutter and confusion

To silence these warning messages, edit main.cf or master.cf, and replace each
obsolete parameter name with its replacement.

OObbssoolleettee CCNNAAMMEE oovveerrrriiddee ffoorr ppeeeerr nnaammee ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "smtp_cname_overrides_servername" will be removed;
    instead, do not specify
  * support for parameter "lmtp_cname_overrides_servername" will be removed;
    instead, do not specify

These features control whether a DNS CNAME record can override the server peer
name that Postfix will use for policy lookup or for certificate verification.
This behavior is disabled by default as of Postfix 2.11, because it no longer
solves a real problem.

OObbssoolleettee TTLLSS ppeeeerr nnaammee mmaattcchh ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "lmtp_tls_enforce_peername" will be removed; instead,
    specify "lmtp_tls_security_level"
  * support for parameter "smtp_tls_enforce_peername" will be removed; instead,
    specify "smtp_tls_security_level"

There are similarly-named parameters and warnings for postscreen(8) and
tlsproxy(8), but those parameters should rarely be specified by hand.

Replace obsolete configuration with its replacement:

d56 29
a84 11
    |GGooaall                   |OObbssoolleettee ccoonnffiigguurraattiioonn|RReeppllaacceemmeenntt ccoonnffiigguurraattiioonn|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |                       |                      |xxx_security_level =     |
    |Enforce peer name match|xxx_enforce_peername =|verify                   |
    |with server certificate|yes                   |xxx_security_level =     |
    |                       |                      |secure                   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |Disable peer name match|xxx_enforce_peername =|xxx_security_level = may |
    |with server certificate|no                    |xxx_security_level =     |
    |                       |                      |encrypt                  |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
@


1.1.1.1.4.1
log
@file DEPRECATION_README was added on branch perseant-exfatfs on 2025-08-02 05:49:48 +0000
@
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@d1 270
@


1.1.1.1.4.2
log
@Sync with HEAD
@
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@a0 270
PPoossttffiixx RReeppllaacceemmeennttss ffoorr DDeepprreeccaatteedd FFeeaattuurreess

-------------------------------------------------------------------------------

PPuurrppoossee ooff tthhiiss ddooccuummeenntt

This document describes Postfix features that are deprecated (will be removed)
or that have already been removed. It also has tips for making an existing
Postfix configuration more future-proof.

Overview:

  * Why deprecate?
  * Deprecation process
  * Deprecated features

WWhhyy ddeepprreeccaattee??

Sometimes, a Postfix feature needs to be replaced with a different one. To give
an example:

  * The initial Postfix TLS implementation used multiple boolean parameters:
    one parameter to enable opportunistic TLS (for example, "smtp_enforce_tls =
    yes") and one parameter to enable mandatory TLS (for example,
    "smtp_require_tls = yes").

  * As we added support more features such as fingerprint, dane, and so on, we
    decided not to add more boolean parameters. Instead we introduced one
    configuration parameter to select from multiple deployment models (for
    example, smtp_tls_security_level = may | encrypt | dane, etc...).

Having both the "old" and "new" way to configure Postfix is convenient for
existing Postfix installations, because their configuration does not break
after an upgrade to a new version. Unfortunately, there are also disadvantages.
Having multiple ways to do similar things is not only confusing for newcomers,
it also makes Postfix harder to change.

DDeepprreeccaattiioonn pprroocceessss

The basic process steps are:

 1. Inform humans that a feature will be removed, and suggest replacements, in
    logging and documentation.

 2. Remove the feature, and update logging and documentation.

Disclaimer: it has taken 20 years for some features to be removed. This past is
not a guarantee for the future.

DDeepprreeccaatteedd ffeeaattuurreess

The table summarizes removed or deprecated features and replacements. Click on
the "obsolete feature" name for a more detailed description.

     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |                           |WWaarrnniinngg|          |                         |
    |OObbssoolleettee ffeeaattuurree nnaammee      |aass     |RReemmoovveedd   |RReeppllaacceemmeenntt              |
    |                           |ooff     |iinn vveerrssiioonn|                         |
    |                           |vveerrssiioonn|          |                         |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |disable_dns_lookups        |   3.9 |      -   |smtp_dns_support_level   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_use_tls                |   3.9 |      -   |xxx_tls_security_level   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_enforce_tls            |   3.9 |      -   |xxx_tls_security_level   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_per_site               |   3.9 |      -   |xxx_policy_maps          |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_dh1024_param_file|   3.9 |      -   |do not specify (leave at |
    |                           |       |          |default)                 |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_eecdh_grade      |   3.9 |      -   |do not specify (leave at |
    |                           |       |          |default)                 |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_mx_backup           |   3.9 |      -   |relay_domains            |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |check_relay_domains        |   2.2 |     3.9  |permit_mynetworks,       |
    |                           |       |          |reject_unauth_destination|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |reject_maps_rbl            |   2.1 |     3.9  |reject_rbl_client        |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_naked_ip_address    |   2.0 |     3.9  |permit_mynetworks,       |
    |                           |       |          |permit_sasl_authenticated|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

OObbssoolleettee DDNNSS oonn//ooffff ccoonnffiigguurraattiioonn

The postconf(1) command logs the following:

  * support for parameter "disable_dns_lookups" will be removed; instead,
    specify "smtp_dns_support_level"

Replace obsolete configuration with its replacement:

     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |GGooaall                  |OObbssoolleettee ccoonnffiigguurraattiioonn  |RReeppllaacceemmeenntt             |
    |                      |                        |ccoonnffiigguurraattiioonn           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To disable DNS lookups|disable_dns_lookups =   |smtp_dns_support_level =|
    |in the Postfix SMTP/  |yes                     |disabled                |
    |LMTP client           |                        |                        |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |                      |                        |Leave                   |
    |                      |                        |smtp_dns_support_level  |
    |To enable DNS lookups |                        |at the implicit default |
    |in the Postfix SMTP/  |disable_dns_lookups = no|which is empty, unless  |
    |LMTP client           |                        |you need a higher       |
    |                      |                        |support level such as   |
    |                      |                        |DNSSEC.                 |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

OObbssoolleettee ooppppoorrttuunniissttiicc TTLLSS ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "lmtp_use_tls" will be removed; instead, specify
    "lmtp_tls_security_level"
  * support for parameter "smtp_use_tls" will be removed; instead, specify
    "smtp_tls_security_level"
  * support for parameter "smtpd_use_tls" will be removed; instead, specify
    "smtpd_tls_security_level"

There are similarly-named parameters and warnings for postscreen(8) and
tlsproxy(8), but those parameters should rarely be specified by hand.

Replace obsolete configuration with its replacement:

     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |GGooaall                    |OObbssoolleettee ccoonnffiigguurraattiioonn|RReeppllaacceemmeenntt ccoonnffiigguurraattiioonn|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To turn off TLS         |xxx_use_tls = no      |xxx_security_level = none|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To turn on opportunistic|xxx_use_tls = yes     |xxx_security_level = may |
    |TLS                     |                      |                         |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

OObbssoolleettee mmaannddaattoorryy TTLLSS ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "lmtp_enforce_tls" will be removed; instead, specify
    "lmtp_tls_security_level"
  * support for parameter "smtp_enforce_tls" will be removed; instead, specify
    "smtp_tls_security_level"
  * support for parameter "smtpd_enforce_tls" will be removed; instead, specify
    "smtpd_tls_security_level"

There are similarly-named parameters and warnings for postscreen(8) and
tlsproxy(8), but those parameters should rarely be specified by hand.

Replace obsolete configuration with its replacement:

     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |GGooaall                    |OObbssoolleettee ccoonnffiigguurraattiioonn|RReeppllaacceemmeenntt ccoonnffiigguurraattiioonn|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To turn off mandatory   |xxx_enforce_tls = no  |xxx_security_level = may |
    |TLS                     |                      |                         |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |To turn on mandatory TLS|xxx_enforce_tls = yes |xxx_security_level =     |
    |                        |                      |encrypt                  |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

OObbssoolleettee TTLLSS ppoolliiccyy ttaabbllee ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "lmtp_tls_per_site" will be removed; instead, specify
    "lmtp_tls_policy_maps"
  * support for parameter "smtp_tls_per_site" will be removed; instead, specify
    "smtp_tls_policy_maps"

There is similarly-named parameter and warning for tlsproxy(8), but that
parameter should rarely be specified by hand.

Unfortunately, this is more than a name change: the table format has changed
too, as has the table search process. There is no simple conversion of the
obsolete form to its replacement.

cchheecckk__rreellaayy__ddoommaaiinnss

Depending on the Postfix version, the Postfix SMTP daemon logs following
warning:

  * support for restriction "check_relay_domains" has been removed in Postfix
    3.9"; instead, specify "reject_unauth_destination"
  * support for restriction "check_relay_domains" will be removed from Postfix;
    use "reject_unauth_destination" instead

This feature was removed because it would relay based on the client domain
name, which is not robust.

Recommended configuration to prevent an "open relay" problem with the SMTP
service on port 25:

    main.cf:
        smtpd_recipient_restrictions =
            permit_mynetworks,
            permit_sasl_authenticated,
            reject_unauth_destination
            ...other restrictions...

Or equivalent in smtpd_relay_restrictions.

ppeerrmmiitt__mmxx__bbaacckkuupp

The Postfix version 3.9 and later SMTP daemon logs the following warning:

  * support for restriction "permit_mx_backup" will be removed from Postfix;
    instead, specify "relay_domains"

This feature will be removed because it is too difficult to configure recipient
address validation, making Postfix a source of backscatter bounces.

To specify the domains that Postfix will provide MX backup service for, see
Configuring Postfix as primary or backup MX host for a remote site.

rreejjeecctt__mmaappss__rrbbll

Depending on the Postfix version, the SMTP daemon logs one of the following
warnings:

  * support for restriction "reject_maps_rbl" has been removed in Postfix 3.9";
    instead, specify "reject_rbl_client domain-name"
  * support for restriction "reject_maps_rbl" will be removed from Postfix; use
    "reject_rbl_client domain-name" instead

This feature was replaced because "MAPS RBL" is the name of a specific
reputation service. The reject_rbl_client feature provides a superset of the
reject_maps_rbl functionality.

Recommended configuration:

    main.cf:
        smtpd_recipient_restrictions =
            permit_mynetworks,
            permit_sasl_authenticated,
            reject_unauth_destination
            reject_rbl_client domain-name
            ...other restrictions...

Where domain-name is the domain name of a DNS reputation service.

ppeerrmmiitt__nnaakkeedd__iipp__aaddddrreessss

Depending on the Postfix version, the SMTP daemon logs one of the following
warnings:

  * support for restriction "permit_naked_ip_address" has been removed in
    Postfix 3.9"; instead, specify "permit_mynetworks" or
    "permit_sasl_authenticated"
  * restriction permit_naked_ip_address is deprecated. Use permit_mynetworks or
    permit_sasl_authenticated instead

This feature was removed because it was easy to get a false match when
smtpd_recipient_restrictions was intended to match a remote SMTP client IP
address.

Recommended configuration:

    main.cf:
        smtpd_recipient_restrictions =
            permit_mynetworks,
            permit_sasl_authenticated,
            reject_unauth_destination
            reject_rbl_client domain-name
            ...other restrictions...

That is, no restriction on HELO or EHLO syntax. Such restrictions ar rarely
useful nowadays.

@


1.1.1.1.4.3
log
@Sync with HEAD
@
text
@a54 126
     _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    |                                        |WWaarrnniinngg|RReemmoovveedd|                                    |
    |OObbssoolleettee ffeeaattuurree nnaammee                   |aass     |       |RReeppllaacceemmeenntt                         |
    |                                        |ooff     |iinn     |                                    |
    |                                        |vveerrssiioonn|vveerrssiioonn|                                    |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |authorized_verp_clients                 |  3.11 |    -  |smtpd_authorized_verp_clients       |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |fallback_relay                          |  3.11 |    -  |smtp_fallback_relay                 |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |lmtp_per_record_deadline                |  3.11 |    -  |lmtp_per_request_deadline           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_blacklist_action             |  3.11 |    -  |postscreen_denylist_action          |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_dnsbl_ttl                    |  3.11 |    -  |postscreen_dnsbl_max_ttl            |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_dnsbl_whitelist_threshold    |  3.11 |    -  |postscreen_dnsbl_allowlist_threshold|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |postscreen_whitelist_interfaces         |  3.11 |    -  |postscreen_allowlist_interfaces     |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_client_connection_limit_exceptions|  3.11 |    -  |smtpd_client_event_limit_exceptions |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_per_record_deadline               |  3.11 |    -  |smtpd_per_request_deadline          |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtp_per_record_deadline                |  3.11 |    -  |smtp_per_request_deadline           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |tlsproxy_client_level                   |  3.11 |    -  |tlsproxy_client_security_level      |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |tlsproxy_client_policy                  |  3.11 |    -  |tlsproxy_client_policy_maps         |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |virtual_maps                            |  3.11 |    -  |virtual_alias_maps                  |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtp_cname_overrides_servername         |  3.11 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |lmtp_cname_overrides_servername         |  3.11 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_tls_enforce_peername                |  3.11 |    -  |xxx_tls_security_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |disable_dns_lookups                     |   3.9 |    -  |smtp_dns_support_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_use_tls                             |   3.9 |    -  |xxx_tls_security_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_enforce_tls                         |   3.9 |    -  |xxx_tls_security_level              |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |xxx_per_site                            |   3.9 |    -  |xxx_policy_maps                     |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_dh1024_param_file             |   3.9 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |smtpd_tls_eecdh_grade                   |   3.9 |    -  |do not specify (leave at default)   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_mx_backup                        |   3.9 |    -  |relay_domains                       |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |check_relay_domains                     |   2.2 |   3.9 |permit_mynetworks,                  |
    |                                        |       |       |reject_unauth_destination           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |reject_maps_rbl                         |   2.1 |   3.9 |reject_rbl_client                   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |permit_naked_ip_address                 |   2.0 |   3.9 |permit_mynetworks,                  |
    |                                        |       |       |permit_sasl_authenticated           |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |

PPaarraammeetteerrss tthhaatt hhaavvee bbeeeenn rreennaammeedd ffoorr ccoonnssiisstteennccyy

The postconf(1) command logs one or more of the following:

  * support for parameter "authorized_verp_clients" will be removed; instead,
    specify "smtpd_authorized_verp_clients"
  * support for parameter "fallback_relay" will be removed; instead, specify
    "smtp_fallback_relay"
  * support for parameter "lmtp_per_record_deadline" will be removed; instead,
    specify "lmtp_per_request_deadline"
  * support for parameter "postscreen_blacklist_action" will be removed;
    instead, specify "postscreen_denylist_action"
  * support for parameter "postscreen_dnsbl_ttl" will be removed; instead,
    specify "postscreen_dnsbl_max_ttl"
  * support for parameter "postscreen_dnsbl_whitelist_threshold" will be
    removed; instead, specify "postscreen_dnsbl_allowlist_threshold"
  * support for parameter "postscreen_whitelist_interfaces" will be removed;
    instead, specify "postscreen_allowlist_interfaces"
  * support for parameter "smtpd_client_connection_limit_exceptions" will be
    removed; instead, specify "smtpd_client_event_limit_exceptions"
  * support for parameter "smtp_per_record_deadline" will be removed; instead,
    specify "smtp_per_request_deadline"
  * support for parameter "tlsproxy_client_level" will be removed; instead,
    specify "tlsproxy_client_security_level"
  * support for parameter "tlsproxy_client_policy" will be removed; instead,
    specify "tlsproxy_client_policy_maps"
  * support for parameter "virtual_maps" will be removed; instead, specify
    "virtual_alias_maps"

The above parameters have been renamed for consistency with other parameters.
For backwards compatibility, the old parameter values are used as the default
value for the new parameters, but they will eventually be removed to eliminate
clutter and confusion

To silence these warning messages, edit main.cf or master.cf, and replace each
obsolete parameter name with its replacement.

OObbssoolleettee CCNNAAMMEE oovveerrrriiddee ffoorr ppeeeerr nnaammee ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "smtp_cname_overrides_servername" will be removed;
    instead, do not specify
  * support for parameter "lmtp_cname_overrides_servername" will be removed;
    instead, do not specify

These features control whether a DNS CNAME record can override the server peer
name that Postfix will use for policy lookup or for certificate verification.
This behavior is disabled by default as of Postfix 2.11, because it no longer
solves a real problem.

OObbssoolleettee TTLLSS ppeeeerr nnaammee mmaattcchh ccoonnffiigguurraattiioonn

The postconf(1) command logs one of the following:

  * support for parameter "lmtp_tls_enforce_peername" will be removed; instead,
    specify "lmtp_tls_security_level"
  * support for parameter "smtp_tls_enforce_peername" will be removed; instead,
    specify "smtp_tls_security_level"

There are similarly-named parameters and warnings for postscreen(8) and
tlsproxy(8), but those parameters should rarely be specified by hand.

Replace obsolete configuration with its replacement:

d56 29
a84 11
    |GGooaall                   |OObbssoolleettee ccoonnffiigguurraattiioonn|RReeppllaacceemmeenntt ccoonnffiigguurraattiioonn|
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |                       |                      |xxx_security_level =     |
    |Enforce peer name match|xxx_enforce_peername =|verify                   |
    |with server certificate|yes                   |xxx_security_level =     |
    |                       |                      |secure                   |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
    |Disable peer name match|xxx_enforce_peername =|xxx_security_level = may |
    |with server certificate|no                    |xxx_security_level =     |
    |                       |                      |encrypt                  |
    |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
@