Extend selective SRS management and add installer tests

This commit is contained in:
2026-10-20 11:20:38 +02:00
parent 3a7248191c
commit 53b92f7867
13 changed files with 2332 additions and 2 deletions
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# See /usr/share/postfix/main.cf.dist for a commented, more complete version
# See http://www.postfix.org/COMPATIBILITY_README.html
compatibility_level = 3.9
# Which domain that locally-originated mail appears to come from.
# Debian policy suggests to read this value from /etc/mailname.
#XX needs a review in postinst&config
#myorigin = /etc/mailname
#myorigin = $mydomain
myorigin = @MYORIGIN@
# Text that follows the 220 code in the SMTP server's greeting banner.
# You MUST specify $myhostname at the start due to an RFC requirement.
smtpd_banner = $myhostname ESMTP $mail_name (Debian)
# IP protocols to use: ipv4, ipv6, or all
# (set this explicitly so `post-install upgrade-configuration' wont complain)
inet_protocols = all
# List of "trusted" SMTP clients (maptype:mapname allowed) that have more
# privileges than "strangers". If mynetworks is not specified (the default),
# mynetworks_style is used to compute its value.
#mynetworks_style = class
#mynetworks_style = subnet
mynetworks_style = host
#
mynetworks = 127.0.0.0/8
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
# List of domains (maptype:mapname allowed) that this machine considers
# itself the final destination for.
mydestination = @MYDESTINATION@
# Maximum size of a user mailbox
mailbox_size_limit = 51200000
# Optional external command to use instead of mailbox delivery. If set,
# you must set up an alias to forward root mail to a real user.
#mailbox_command = /usr/bin/procmail
#mailbox_command = /usr/bin/procmail -a "$EXTENSION"
mailbox_command =
# List of alias maps to use to lookup local addresses.
# Per Debian Policy it should be /etc/aliases.
alias_maps = $alias_database, nis:mail.aliases
# List of alias maps to make indexes on, when running newaliases.
alias_database = hash:/etc/aliases
# Notify (or not) local biff service when new mail arrives.
# Rarely used these days.
biff = no
# Separator between user name and address extension (user+foo@domain)
#recipient_delimiter = +
recipient_delimiter =
# A host to send "other" mail to
#relayhost = $mydomain
#relayhost = [gateway.example.com]
#relayhost = [ip.add.re.ss]:port
#relayhost = uucphost
relayhost =
# Where to look for Cyrus SASL configuration files. Upstream default is unset
# (use compiled-in SASL library default), Debian Policy says it should be
# /etc/postfix/sasl.
cyrus_sasl_config_path = /etc/postfix/sasl
authorized_submit_users = root
data_directory = /var/lib/postfix-srs-delivery
html_directory = /usr/share/doc/postfix/html
master_service_disable =
queue_directory = /var/spool/postfix-srs-delivery
readme_directory = /usr/share/doc/postfix
multi_instance_group = srs-delivery
multi_instance_name = postfix-srs-delivery
inet_interfaces = loopback-only
default_transport = smtp
local_transport = error:SRS-LOCAL-DELIVERY-BLOCKED
mailbox_transport = error:SRS-MAILBOX-DELIVERY-BLOCKED
relay_transport = error:SRS-RELAY-DELIVERY-BLOCKED
virtual_transport = srs-lmtp:unix:/var/spool/postfix/private/dovecot-lmtp
virtual_alias_maps = @VIRTUAL_ALIAS_MAPS@
virtual_alias_domains = @VIRTUAL_ALIAS_DOMAINS@
virtual_mailbox_maps = @VIRTUAL_MAILBOX_MAPS@
virtual_mailbox_domains = @VIRTUAL_MAILBOX_DOMAINS@
relay_domains = @RELAY_DOMAINS@
transport_maps = btree:/etc/postfix-srs/delivery/transport
mydomain = @MYDOMAIN@
myhostname = @MYHOSTNAME@
2bounce_notice_recipient = postmaster
bounce_notice_recipient = postmaster
delay_notice_recipient = postmaster
error_notice_recipient = postmaster
notify_classes =
smtp_bind_address = @SMTP_BIND_ADDRESS@
smtp_bind_address6 = @SMTP_BIND_ADDRESS6@
smtp_dns_support_level = @SMTP_DNS_SUPPORT_LEVEL@
smtp_host_lookup = @SMTP_HOST_LOOKUP@
smtp_tls_CAfile = @SMTP_TLS_CAFILE@
smtp_tls_mandatory_protocols = @SMTP_TLS_MANDATORY_PROTOCOLS@
smtp_tls_protocols = @SMTP_TLS_PROTOCOLS@
smtp_tls_security_level = @SMTP_TLS_SECURITY_LEVEL@
config_directory = /etc/postfix-srs/delivery
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#
# Postfix master process configuration file. For details on the format
# of the file, see the master(5) manual page (command: "man 5 master" or
# on-line: https://www.postfix.org/master.5.html).
#
# Do not forget to execute "postfix reload" after editing this file.
#
# ==========================================================================
# service type private unpriv chroot wakeup maxproc command + args
# (yes) (yes) (no) (never) (100)
# ==========================================================================
#smtp inet n - y - - smtpd
#smtp inet n - y - 1 postscreen
#smtpd pass - - y - - smtpd
#dnsblog unix - - y - 0 dnsblog
#tlsproxy unix - - y - 0 tlsproxy
# Choose one: enable submission for loopback clients only, or for any client.
#127.0.0.1:submission inet n - y - - smtpd
#submission inet n - y - - smtpd
# -o syslog_name=postfix/submission
# -o smtpd_forbid_unauth_pipelining=no
# -o smtpd_tls_security_level=encrypt
# -o smtpd_sasl_auth_enable=yes
# -o smtpd_tls_auth_only=yes
# -o local_header_rewrite_clients=static:all
# -o smtpd_hide_client_session=yes
# -o smtpd_reject_unlisted_recipient=no
# Instead of specifying complex smtpd_<xxx>_restrictions here,
# specify "smtpd_<xxx>_restrictions=$mua_<xxx>_restrictions"
# here, and specify mua_<xxx>_restrictions in main.cf (where
# "<xxx>" is "client", "helo", "sender", "relay", or "recipient").
# -o smtpd_client_restrictions=
# -o smtpd_helo_restrictions=
# -o smtpd_sender_restrictions=
# -o smtpd_relay_restrictions=
# -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
# -o milter_macro_daemon_name=ORIGINATING
# Choose one: enable submissions for loopback clients only, or for any client.
#127.0.0.1:submissions inet n - y - - smtpd
#submissions inet n - y - - smtpd
# -o syslog_name=postfix/submissions
# -o smtpd_forbid_unauth_pipelining=no
# -o smtpd_tls_wrappermode=yes
# -o smtpd_sasl_auth_enable=yes
# -o local_header_rewrite_clients=static:all
# -o smtpd_hide_client_session=yes
# -o smtpd_reject_unlisted_recipient=no
# Instead of specifying complex smtpd_<xxx>_restrictions here,
# specify "smtpd_<xxx>_restrictions=$mua_<xxx>_restrictions"
# here, and specify mua_<xxx>_restrictions in main.cf (where
# "<xxx>" is "client", "helo", "sender", "relay", or "recipient").
# -o smtpd_client_restrictions=
# -o smtpd_helo_restrictions=
# -o smtpd_sender_restrictions=
# -o smtpd_relay_restrictions=
# -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
# -o milter_macro_daemon_name=ORIGINATING
#628 inet n - y - - qmqpd
pickup unix n - y 60 1 pickup
cleanup unix n - y - 0 cleanup
qmgr unix n - n 300 1 qmgr
#qmgr unix n - n 300 1 oqmgr
tlsmgr unix - - y 1000? 1 tlsmgr
rewrite unix - - y - - trivial-rewrite
bounce unix - - y - 0 bounce
defer unix - - y - 0 bounce
trace unix - - y - 0 bounce
verify unix - - y - 1 verify
flush unix n - y 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
#smtp unix - - y - - smtp
#relay unix - - y - - smtp
# -o syslog_name=${multi_instance_name?{$multi_instance_name}:{postfix}}/$service_name
# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq unix n - y - - showq
error unix - - y - - error
retry unix - - y - - error
discard unix - - y - - discard
#local unix - n n - - local
#virtual unix - n n - - virtual
#lmtp unix - - y - - lmtp
anvil unix - - y - 1 anvil
scache unix - - y - 1 scache
postlog unix-dgram n - n - 1 postlogd
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent. See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
#maildrop unix - n n - - pipe
# flags=DRXhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
#
# ====================================================================
#
# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
#
# Specify in cyrus.conf:
# lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
#
# Specify in main.cf one or more of the following:
# mailbox_transport = lmtp:inet:localhost
# virtual_transport = lmtp:inet:localhost
#
# ====================================================================
#
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus unix - n n - - pipe
# flags=DRX user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
#
# ====================================================================
#
# Old example of delivery via Cyrus.
#
#old-cyrus unix - n n - - pipe
# flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
#
# ====================================================================
#
# See the Postfix UUCP_README file for configuration details.
#
#uucp unix - n n - - pipe
# flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# ====================================================================
#
# Other external delivery methods.
#
#ifmail unix - n n - - pipe
# flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
#
#bsmtp unix - n n - - pipe
# flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -f $sender $nexthop $recipient
#
#scalemail-backend unix - n n - 2 pipe
# flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store
# ${nexthop} ${user} ${extension}
#
#mailman unix - n n - - pipe
# flags=FRX user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
# ${nexthop} ${user}
# SRS reinjection - loopback only, no alias expansion
127.0.0.1:10028 inet n - y - - smtpd
-o syslog_name=postfix-srs-delivery/reinject
-o receive_override_options=no_address_mappings,no_unknown_recipient_checks
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o mynetworks=127.0.0.0/8
# SRS reverse cleanup - envelope recipients only, no virtual alias expansion
srs-reverse-cleanup unix n - y - 0 cleanup
-o syslog_name=postfix-srs-delivery/reverse-cleanup
-o recipient_canonical_maps=socketmap:inet:127.0.0.1:10003:reverse
-o recipient_canonical_classes=envelope_recipient
-o virtual_alias_maps=
-o canonical_maps=
-o sender_canonical_maps=
# SRS reverse listener - loopback only
# SRS reverse recipient verification policy
127.0.0.1:10029 inet n - y - - smtpd
-o syslog_name=postfix-srs-delivery/reverse-smtpd
-o cleanup_service_name=srs-reverse-cleanup
-o content_filter=
-o smtpd_milters=
-o mynetworks=127.0.0.0/8
-o smtpd_relay_restrictions=permit_mynetworks,reject
-o smtpd_recipient_restrictions=check_policy_service,unix:private/srs-reverse-policy,reject
-o smtpd_reject_unlisted_recipient=no
srs-reverse-policy unix - n n - 0 spawn
user=nobody argv=/usr/local/sbin/srs-reverse-policy.py
# =============================================================
# LMTP delivery to productive Dovecot
# =============================================================
srs-lmtp unix - - n - - lmtp
# =============================================================
# Outbound SMTP delivery
# =============================================================
smtp unix - - n - - smtp
# =============================================================
# Internal SMTP transport for SRS reverse processing
# =============================================================
srs-reverse-smtp unix - - n - - smtp
-o smtp_bind_address=127.0.0.1
-o smtp_bind_address6=::1
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[Unit]
Description=PostSRSd SRS Service
After=network.target
[Service]
Type=simple
ExecStart=/usr/local/postsrsd/sbin/postsrsd -C /etc/postsrsd-srs/postsrsd.conf
Restart=on-failure
RestartSec=5
NoNewPrivileges=true
[Install]
WantedBy=multi-user.target
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domains = {}
srs-domain = "@SRS_DOMAIN@"
socketmap = inet:127.0.0.1:10003
secrets-file = "/etc/postsrsd-srs/secret"
milter-rewrite-local = off
original-envelope = embedded
debug = off
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[Unit]
Description=Domain-restricted SRS reverse socketmap
After=network.target postsrsd-srs.service
Wants=postsrsd-srs.service
[Service]
Type=simple
User=nobody
Group=nogroup
ExecStart=/usr/bin/python3 /usr/local/sbin/srs-reverse-map.py
Restart=on-failure
RestartSec=3
NoNewPrivileges=true
ProtectSystem=strict
ProtectHome=true
PrivateTmp=true
[Install]
WantedBy=multi-user.target
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# SRS-Bounces zurück an den produktiven Postfix
@SRS_DOMAIN@ srs-reverse-smtp:[127.0.0.1]:10029