Add selective Postfix SRS installation and management
This commit is contained in:
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# See /usr/share/postfix/main.cf.dist for a commented, more complete version
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# See http://www.postfix.org/COMPATIBILITY_README.html
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compatibility_level = 3.9
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# Which domain that locally-originated mail appears to come from.
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# Debian policy suggests to read this value from /etc/mailname.
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#XX needs a review in postinst&config
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#myorigin = /etc/mailname
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#myorigin = $mydomain
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myorigin = @MYORIGIN@
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# Text that follows the 220 code in the SMTP server's greeting banner.
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# You MUST specify $myhostname at the start due to an RFC requirement.
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smtpd_banner = $myhostname ESMTP $mail_name (Debian)
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# IP protocols to use: ipv4, ipv6, or all
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# (set this explicitly so `post-install upgrade-configuration' wont complain)
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inet_protocols = all
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# List of "trusted" SMTP clients (maptype:mapname allowed) that have more
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# privileges than "strangers". If mynetworks is not specified (the default),
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# mynetworks_style is used to compute its value.
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#mynetworks_style = class
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#mynetworks_style = subnet
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mynetworks_style = host
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#
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mynetworks = 127.0.0.0/8
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# Uncomment the next line to generate "delayed mail" warnings
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#delay_warning_time = 4h
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# List of domains (maptype:mapname allowed) that this machine considers
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# itself the final destination for.
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mydestination = @MYDESTINATION@
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# Maximum size of a user mailbox
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mailbox_size_limit = 51200000
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# Optional external command to use instead of mailbox delivery. If set,
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# you must set up an alias to forward root mail to a real user.
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#mailbox_command = /usr/bin/procmail
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#mailbox_command = /usr/bin/procmail -a "$EXTENSION"
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mailbox_command =
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# List of alias maps to use to lookup local addresses.
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# Per Debian Policy it should be /etc/aliases.
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alias_maps = $alias_database, nis:mail.aliases
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# List of alias maps to make indexes on, when running newaliases.
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alias_database = hash:/etc/aliases
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# Notify (or not) local biff service when new mail arrives.
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# Rarely used these days.
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biff = no
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# Separator between user name and address extension (user+foo@domain)
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#recipient_delimiter = +
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recipient_delimiter =
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# A host to send "other" mail to
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#relayhost = $mydomain
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#relayhost = [gateway.example.com]
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#relayhost = [ip.add.re.ss]:port
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#relayhost = uucphost
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relayhost =
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# Where to look for Cyrus SASL configuration files. Upstream default is unset
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# (use compiled-in SASL library default), Debian Policy says it should be
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# /etc/postfix/sasl.
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cyrus_sasl_config_path = /etc/postfix/sasl
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authorized_submit_users = root
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data_directory = /var/lib/postfix-srs-delivery
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html_directory = /usr/share/doc/postfix/html
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master_service_disable =
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queue_directory = /var/spool/postfix-srs-delivery
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readme_directory = /usr/share/doc/postfix
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multi_instance_group = srs-delivery
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multi_instance_name = postfix-srs-delivery
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inet_interfaces = loopback-only
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default_transport = smtp
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local_transport = error:SRS-LOCAL-DELIVERY-BLOCKED
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mailbox_transport = error:SRS-MAILBOX-DELIVERY-BLOCKED
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relay_transport = error:SRS-RELAY-DELIVERY-BLOCKED
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virtual_transport = srs-lmtp:unix:/var/spool/postfix/private/dovecot-lmtp
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virtual_alias_maps = @VIRTUAL_ALIAS_MAPS@
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virtual_alias_domains = @VIRTUAL_ALIAS_DOMAINS@
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virtual_mailbox_maps = @VIRTUAL_MAILBOX_MAPS@
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virtual_mailbox_domains = @VIRTUAL_MAILBOX_DOMAINS@
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relay_domains = @RELAY_DOMAINS@
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transport_maps = btree:/etc/postfix-srs/delivery/transport
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mydomain = @MYDOMAIN@
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myhostname = @MYHOSTNAME@
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2bounce_notice_recipient = postmaster
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bounce_notice_recipient = postmaster
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delay_notice_recipient = postmaster
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error_notice_recipient = postmaster
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notify_classes =
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smtp_bind_address = @SMTP_BIND_ADDRESS@
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smtp_bind_address6 = @SMTP_BIND_ADDRESS6@
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smtp_dns_support_level = @SMTP_DNS_SUPPORT_LEVEL@
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smtp_host_lookup = @SMTP_HOST_LOOKUP@
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smtp_tls_CAfile = @SMTP_TLS_CAFILE@
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smtp_tls_mandatory_protocols = @SMTP_TLS_MANDATORY_PROTOCOLS@
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smtp_tls_protocols = @SMTP_TLS_PROTOCOLS@
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smtp_tls_security_level = @SMTP_TLS_SECURITY_LEVEL@
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config_directory = /etc/postfix-srs/delivery
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@@ -0,0 +1,199 @@
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#
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# Postfix master process configuration file. For details on the format
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# of the file, see the master(5) manual page (command: "man 5 master" or
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# on-line: https://www.postfix.org/master.5.html).
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#
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# Do not forget to execute "postfix reload" after editing this file.
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#
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# ==========================================================================
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# service type private unpriv chroot wakeup maxproc command + args
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# (yes) (yes) (no) (never) (100)
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# ==========================================================================
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#smtp inet n - y - - smtpd
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#smtp inet n - y - 1 postscreen
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#smtpd pass - - y - - smtpd
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#dnsblog unix - - y - 0 dnsblog
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#tlsproxy unix - - y - 0 tlsproxy
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# Choose one: enable submission for loopback clients only, or for any client.
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#127.0.0.1:submission inet n - y - - smtpd
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#submission inet n - y - - smtpd
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# -o syslog_name=postfix/submission
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# -o smtpd_forbid_unauth_pipelining=no
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# -o smtpd_tls_security_level=encrypt
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# -o smtpd_sasl_auth_enable=yes
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# -o smtpd_tls_auth_only=yes
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# -o local_header_rewrite_clients=static:all
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# -o smtpd_hide_client_session=yes
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# -o smtpd_reject_unlisted_recipient=no
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# Instead of specifying complex smtpd_<xxx>_restrictions here,
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# specify "smtpd_<xxx>_restrictions=$mua_<xxx>_restrictions"
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# here, and specify mua_<xxx>_restrictions in main.cf (where
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# "<xxx>" is "client", "helo", "sender", "relay", or "recipient").
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# -o smtpd_client_restrictions=
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# -o smtpd_helo_restrictions=
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# -o smtpd_sender_restrictions=
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# -o smtpd_relay_restrictions=
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# -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
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# -o milter_macro_daemon_name=ORIGINATING
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# Choose one: enable submissions for loopback clients only, or for any client.
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#127.0.0.1:submissions inet n - y - - smtpd
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#submissions inet n - y - - smtpd
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# -o syslog_name=postfix/submissions
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# -o smtpd_forbid_unauth_pipelining=no
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# -o smtpd_tls_wrappermode=yes
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# -o smtpd_sasl_auth_enable=yes
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# -o local_header_rewrite_clients=static:all
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# -o smtpd_hide_client_session=yes
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# -o smtpd_reject_unlisted_recipient=no
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# Instead of specifying complex smtpd_<xxx>_restrictions here,
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# specify "smtpd_<xxx>_restrictions=$mua_<xxx>_restrictions"
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# here, and specify mua_<xxx>_restrictions in main.cf (where
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# "<xxx>" is "client", "helo", "sender", "relay", or "recipient").
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# -o smtpd_client_restrictions=
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# -o smtpd_helo_restrictions=
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# -o smtpd_sender_restrictions=
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# -o smtpd_relay_restrictions=
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# -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
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# -o milter_macro_daemon_name=ORIGINATING
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#628 inet n - y - - qmqpd
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pickup unix n - y 60 1 pickup
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cleanup unix n - y - 0 cleanup
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qmgr unix n - n 300 1 qmgr
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#qmgr unix n - n 300 1 oqmgr
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tlsmgr unix - - y 1000? 1 tlsmgr
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rewrite unix - - y - - trivial-rewrite
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bounce unix - - y - 0 bounce
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defer unix - - y - 0 bounce
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trace unix - - y - 0 bounce
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verify unix - - y - 1 verify
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flush unix n - y 1000? 0 flush
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proxymap unix - - n - - proxymap
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proxywrite unix - - n - 1 proxymap
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#smtp unix - - y - - smtp
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#relay unix - - y - - smtp
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# -o syslog_name=${multi_instance_name?{$multi_instance_name}:{postfix}}/$service_name
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# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
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showq unix n - y - - showq
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error unix - - y - - error
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retry unix - - y - - error
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discard unix - - y - - discard
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#local unix - n n - - local
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#virtual unix - n n - - virtual
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#lmtp unix - - y - - lmtp
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anvil unix - - y - 1 anvil
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scache unix - - y - 1 scache
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postlog unix-dgram n - n - 1 postlogd
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#
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# ====================================================================
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# Interfaces to non-Postfix software. Be sure to examine the manual
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# pages of the non-Postfix software to find out what options it wants.
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#
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# Many of the following services use the Postfix pipe(8) delivery
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# agent. See the pipe(8) man page for information about ${recipient}
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# and other message envelope options.
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# ====================================================================
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#
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# maildrop. See the Postfix MAILDROP_README file for details.
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# Also specify in main.cf: maildrop_destination_recipient_limit=1
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#
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#maildrop unix - n n - - pipe
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# flags=DRXhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
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#
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# ====================================================================
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#
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# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
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#
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# Specify in cyrus.conf:
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# lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
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#
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# Specify in main.cf one or more of the following:
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# mailbox_transport = lmtp:inet:localhost
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# virtual_transport = lmtp:inet:localhost
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#
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# ====================================================================
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#
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# Cyrus 2.1.5 (Amos Gouaux)
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# Also specify in main.cf: cyrus_destination_recipient_limit=1
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#
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#cyrus unix - n n - - pipe
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# flags=DRX user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
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#
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# ====================================================================
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#
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# Old example of delivery via Cyrus.
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#
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#old-cyrus unix - n n - - pipe
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# flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
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#
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# ====================================================================
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#
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# See the Postfix UUCP_README file for configuration details.
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#
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#uucp unix - n n - - pipe
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# flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
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#
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# ====================================================================
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#
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# Other external delivery methods.
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#
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#ifmail unix - n n - - pipe
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# flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
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#
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#bsmtp unix - n n - - pipe
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# flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -f $sender $nexthop $recipient
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#
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#scalemail-backend unix - n n - 2 pipe
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# flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store
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# ${nexthop} ${user} ${extension}
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#
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#mailman unix - n n - - pipe
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# flags=FRX user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
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# ${nexthop} ${user}
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# SRS reinjection - loopback only, no alias expansion
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127.0.0.1:10028 inet n - y - - smtpd
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-o syslog_name=postfix-srs-delivery/reinject
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-o receive_override_options=no_address_mappings,no_unknown_recipient_checks
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-o smtpd_recipient_restrictions=permit_mynetworks,reject
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-o mynetworks=127.0.0.0/8
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# SRS reverse cleanup - envelope recipients only, no virtual alias expansion
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srs-reverse-cleanup unix n - y - 0 cleanup
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-o syslog_name=postfix-srs-delivery/reverse-cleanup
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-o recipient_canonical_maps=socketmap:inet:127.0.0.1:10003:reverse
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-o recipient_canonical_classes=envelope_recipient
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-o virtual_alias_maps=
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-o canonical_maps=
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-o sender_canonical_maps=
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# SRS reverse listener - loopback only
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# SRS reverse recipient verification policy
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127.0.0.1:10029 inet n - y - - smtpd
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-o syslog_name=postfix-srs-delivery/reverse-smtpd
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-o cleanup_service_name=srs-reverse-cleanup
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-o content_filter=
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-o smtpd_milters=
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-o mynetworks=127.0.0.0/8
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-o smtpd_relay_restrictions=permit_mynetworks,reject
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-o smtpd_recipient_restrictions=check_policy_service,unix:private/srs-reverse-policy,reject
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-o smtpd_reject_unlisted_recipient=no
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srs-reverse-policy unix - n n - 0 spawn
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user=nobody argv=/usr/local/sbin/srs-reverse-policy.py
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# =============================================================
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# LMTP delivery to productive Dovecot
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# =============================================================
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srs-lmtp unix - - n - - lmtp
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# =============================================================
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# Outbound SMTP delivery
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# =============================================================
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smtp unix - - n - - smtp
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# =============================================================
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# Internal SMTP transport for SRS reverse processing
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# =============================================================
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srs-reverse-smtp unix - - n - - smtp
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-o smtp_bind_address=127.0.0.1
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-o smtp_bind_address6=::1
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@@ -0,0 +1,13 @@
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[Unit]
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Description=PostSRSd SRS Service
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After=network.target
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[Service]
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Type=simple
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ExecStart=/usr/local/postsrsd/sbin/postsrsd -C /etc/postsrsd-srs/postsrsd.conf
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Restart=on-failure
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RestartSec=5
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NoNewPrivileges=true
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[Install]
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WantedBy=multi-user.target
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@@ -0,0 +1,7 @@
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domains = {}
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srs-domain = "@SRS_DOMAIN@"
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socketmap = inet:127.0.0.1:10003
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secrets-file = "/etc/postsrsd-srs/secret"
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milter-rewrite-local = off
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original-envelope = embedded
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debug = off
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@@ -0,0 +1,19 @@
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[Unit]
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Description=Domain-restricted SRS reverse socketmap
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After=network.target postsrsd-srs.service
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Wants=postsrsd-srs.service
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[Service]
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Type=simple
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User=nobody
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Group=nogroup
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ExecStart=/usr/bin/python3 /usr/local/sbin/srs-reverse-map.py
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Restart=on-failure
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RestartSec=3
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NoNewPrivileges=true
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ProtectSystem=strict
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ProtectHome=true
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PrivateTmp=true
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[Install]
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WantedBy=multi-user.target
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@@ -0,0 +1,2 @@
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# SRS-Bounces zurück an den produktiven Postfix
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@SRS_DOMAIN@ srs-reverse-smtp:[127.0.0.1]:10029
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Reference in New Issue
Block a user