######################################################################## # MX configuration # # {{ ansible_managed }} # Do NOT edit this file directly! smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no readme_directory = no mail_owner = postfix delay_warning_time = 4h maximal_queue_lifetime = 5d myorigin = /etc/mailname myhostname = mx{{ mxno | default('') }}.$mydomain mydomain = {{ ansible_domain }} append_dot_mydomain = no # Turn off all TCP/IP listener ports except that necessary for the mail # exchange. master_service_disable = !smtp.inet inet queue_directory = /var/spool/postfix-{{ postfix_instance[inst].name }} data_directory = /var/lib/postfix-{{ postfix_instance[inst].name }} multi_instance_group = {{ postfix_instance[inst].group | default('') }} multi_instance_name = postfix-{{ postfix_instance[inst].name }} multi_instance_enable = yes # This server is a Mail eXchange mynetworks_style = host inet_interfaces = all inet_protocols = all # No local delivery mydestination = local_transport = error:5.1.1 Mailbox unavailable alias_maps = alias_database = local_recipient_maps = message_size_limit = 67108864 recipient_delimiter = + # Forward everything to our internal mailhub {% if 'MTA-out' in group_names %} relayhost = [127.0.0.1]:{{ MTA_out.port }} {% else %} relayhost = [{{ MTA_out.host }}]:{{ MTA_out.port }} {% endif %} relay_domains = # Virtual transport {% if 'LDA' in group_names %} virtual_transport = smtpl:[127.0.0.1]:{{ LDA.port }} {% else %} virtual_transport = smtps:[{{ LDA.host }}]:{{ LDA.port }} {% endif %} virtual_mailbox_domains = ldap:$config_directory/virtual/mailbox_domains.cf virtual_alias_maps = pcre:$config_directory/virtual/reserved_alias.pcre ldap:$config_directory/virtual/alias.cf # stop the alias resolution (by making finding # an A -> A alias) before searching for # catch-alls and domain aliases $virtual_mailbox_maps ldap:$config_directory/virtual/alias_domains.cf ldap:$config_directory/virtual/catchall.cf virtual_mailbox_maps = ldap:$config_directory/virtual/mailbox.cf ldap:$config_directory/virtual/list.cf transport_maps = cdb:$config_directory/virtual/transport_reserved_alias ldap:$config_directory/virtual/transport_list.cf # Don't rewrite remote headers local_header_rewrite_clients = # Pass the client information along to the content filter smtp_send_xforward_command = yes # Avoid splitting the envelope and scanning messages multiple times smtp_destination_recipient_limit = 1000 # Tolerate occasional high latency smtp_data_done_timeout = 1200s # Tunnel everything through IPSec smtp_tls_security_level = none {% if 'MTA-out' in group_names %} smtp_bind_address = 127.0.0.1 {% else %} smtp_bind_address = 172.16.0.1 {% endif %} # TLS smtpd_tls_security_level = may smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key smtpd_tls_CApath = /etc/ssl/certs/ smtpd_tls_session_cache_database= btree:$data_directory/smtpd_tls_session_cache smtpd_tls_received_header = yes smtpd_tls_ask_ccert = yes smtpd_tls_fingerprint_digest = sha1 smtpd_tls_eecdh_grade = strong tls_random_source = dev:/dev/urandom # http://en.linuxreviews.org/HOWTO_Stop_spam_using_Postfix # http://www.howtoforge.com/block_spam_at_mta_level_postfix strict_rfc821_envelopes = yes smtpd_delay_reject = yes disable_vrfy_command = yes # UCE control invalid_hostname_reject_code = 554 multi_recipient_bounce_reject_code = 554 non_fqdn_reject_code = 554 relay_domains_reject_code = 554 unknown_address_reject_code = 554 unknown_client_reject_code = 554 unknown_hostname_reject_code = 554 unknown_local_recipient_reject_code = 554 unknown_relay_recipient_reject_code = 554 unknown_virtual_alias_reject_code = 554 unknown_virtual_mailbox_reject_code = 554 unverified_recipient_reject_code = 554 unverified_sender_reject_code = 554 smtpd_client_restrictions = permit_mynetworks reject_rbl_client zen.spamhaus.org reject_rbl_client bl.spamcop.net smtpd_helo_required = yes smtpd_helo_restrictions = permit_mynetworks reject_non_fqdn_helo_hostname reject_invalid_helo_hostname smtpd_sender_restrictions = reject_non_fqdn_sender reject_unknown_sender_domain smtpd_recipient_restrictions = # RFC requirements reject_non_fqdn_recipient reject_unknown_recipient_domain permit_mynetworks reject_unauth_destination check_policy_service unix:private/postgrey smtpd_data_restrictions = reject_unauth_pipelining