# See /usr/share/postfix/main.cf.dist for a commented, more complete version smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no inet_interfaces = all inet_protocols = ipv4 message_size_limit = 50000000 recipient_delimiter = + mydomain = {{ mail_domain }} myhostname = {{ ansible_fqdn }} myorigin = {{ ansible_fqdn }} mydestination = localhost.{{ mail_domain }}, localhost mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases relayhost = # TLS parameters smtp_use_tls = yes smtp_tls_loglevel = 2 smtpd_tls_cert_file=/etc/postfix/ssl/{{ mail_server }}.crt smtpd_tls_key_file=/etc/postfix/ssl/{{ mail_server }}.key smtpd_tls_CAfile=/etc/acme/lets-encrypt-x3-cross-signed.pem smtpd_use_tls=yes smtpd_tls_security_level = may smtpd_tls_auth_only = yes smtpd_tls_ciphers = medium smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous smtpd_helo_restrictions = permit_mynetworks warn_if_reject reject_non_fqdn_hostname check_helo_access hash:/etc/postfix/helo_access #check_client_access cidr:/etc/postfix/client_access smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination check_recipient_access hash:/etc/postfix/recipient_access smtpd_data_restrictions = warn_if_reject reject_unauth_pipelining smtpd_restriction_classes = rbl, rblgrey rbl = reject_rbl_client sbl.spamhaus.org reject_rbl_client cbl.abuseat.org rblgrey = reject_rbl_client sbl.spamhaus.org reject_rbl_client cbl.abuseat.org check_policy_service unix:private/spfpolicy check_policy_service inet:127.0.0.1:10023 content_filter = amavis:[127.0.0.1]:10024 receive_override_options = no_address_mappings virtual_mailbox_domains = {{ mail_domain }} {%- for domain in mail_domains %} {{ domain }} {%- endfor %} virtual_mailbox_maps = ldap:/etc/postfix/ldap-virtual-maps.cf virtual_alias_maps = hash:/etc/postfix/virtual-alias, ldap:/etc/postfix/ldap-aliases.cf virtual_transport = dovecot dovecot_destination_recipient_limit = 1 # mailman relay_domains = {{ mailman_domain }} relay_recipient_maps = hash:/var/lib/mailman/data/virtual-mailman transport_maps = hash:/etc/postfix/transport mailman_destination_recipient_limit = 1