X-Git-Url: https://git.ralfj.de/ansible.git/blobdiff_plain/d281db9defd2e0c0e6b9761736ff38a9df7391b0..b006b6c851edb2d187ae0dd0463d53a07f5586bd:/roles/postfix/templates/main.cf?ds=sidebyside diff --git a/roles/postfix/templates/main.cf b/roles/postfix/templates/main.cf index ac40750..fa2082c 100644 --- a/roles/postfix/templates/main.cf +++ b/roles/postfix/templates/main.cf @@ -1,10 +1,8 @@ +compatibility_level = 2 + # local delivery: aliases only alias_maps = hash:/etc/aliases local_recipient_maps = $alias_maps -# explicitly UNSET relay domains to prevent implicit domains -relay_domains = -# only consider ourselves local -mynetworks_style = host {% if postfix.mynetworks is defined %} mynetworks = {{ postfix.mynetworks }} {% endif %} @@ -15,7 +13,7 @@ smtpd_tls_key_file=/etc/ssl/private/letsencrypt/live.key smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_tls_security_level = may smtpd_tls_loglevel = 1 -smtpd_tls_dh1024_param_file = /etc/ssl/dh2048.pem +smtpd_tls_dh1024_param_file = {{ postfix.paths.dh2048 }} smtpd_tls_mandatory_protocols = !SSLv2 !SSLv3 smtpd_tls_ciphers = low smtpd_tls_mandatory_ciphers = high @@ -23,10 +21,13 @@ smtpd_tls_mandatory_ciphers = high smtp_tls_mandatory_protocols = !SSLv2 !SSLv3 smtp_tls_ciphers = low smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache +smtp_tls_loglevel = 1 +{% if not(postfix.relay_host is defined) %} smtp_tls_security_level = dane smtp_dns_support_level = dnssec -smtp_tls_loglevel = 1 +{% endif %} +{% if postfix.postscreen | default(False) %} # postscreen config postscreen_dnsbl_threshold = 3 postscreen_dnsbl_whitelist_threshold = -2 @@ -39,18 +40,83 @@ postscreen_dnsbl_action = enforce postscreen_pipelining_enable = yes postscreen_non_smtp_command_enable = yes postscreen_bare_newline_enable = yes +{% endif %} + # control relay access smtpd_relay_restrictions = permit_mynetworks, permit_tls_clientcerts, - # allow nobody else - defer_unauth_destination + # allow nobody else + defer_unauth_destination # spam-protection restrictions smtpd_helo_required = yes smtpd_recipient_restrictions = permit_mynetworks, permit_tls_clientcerts, - # check everybody else - reject_unauth_pipelining, - reject_invalid_helo_hostname, - reject_non_fqdn_recipient, - reject_non_fqdn_sender, + # check everybody else + reject_unauth_pipelining, + reject_invalid_helo_hostname, + reject_non_fqdn_recipient, + reject_non_fqdn_sender, + +{% if postfix.relay_host is defined %} +# Relay everything +default_transport = smtp:{{ postfix.relay_host }} +{% if postfix.relay_client_cert is defined %} +# Enforce relay encryption +smtp_tls_cert_file=$config_directory/{{ postfix.relay_client_cert }}.crt +smtp_tls_key_file=$config_directory/{{ postfix.relay_client_cert }}.key +smtp_tls_security_level = encrypt +{% endif %} +{% endif %} + +{% if postfix.submission | default(False) %} +# configure SASL +smtpd_sasl_type = dovecot +smtpd_sasl_path = private/auth +{% endif %} + +{% if postfix.relay_client_cert_whitelist is defined %} +# allow relay for some TLS-authenticated clients +smtpd_tls_ask_ccert = yes +smtpd_tls_fingerprint_digest = sha1 +relay_clientcerts = hash:$config_directory/{{ postfix.relay_client_cert_whitelist }} +{% endif %} + +{% if postfix.virtual_mailbox_domains is defined %} +# setup virtual delivery domains, aliases and destinations +virtual_mailbox_domains = {{ postfix.virtual_mailbox_domains }} +virtual_alias_maps = hash:$config_directory/virtual_alias_map + {% if postfix.vmail_mysql_password is defined %} + proxy:mysql:$config_directory/mysql_vmail_aliases.cf + {% endif %} +# +virtual_mailbox_maps = + {% if postfix.vmail_mysql_password is defined %} + proxy:mysql:$config_directory/mysql_vmail_users.cf + {% endif %} + {% if postfix.mailman | default(False) %} + hash:/var/lib/mailman/data/virtual-mailman + {% endif %} +# +smtpd_sender_login_maps = + {% if postfix.vmail_mysql_password is defined %} + proxy:mysql:$config_directory/mysql_vmail_users.cf + proxy:mysql:$config_directory/mysql_vmail_senders.cf + proxy:mysql:$config_directory/mysql_vmail_aliases.cf + {% endif %} +# +proxy_read_maps = $virtual_alias_maps $virtual_mailbox_maps $smtpd_sender_login_maps + +# setup mail routes for virtual mail: all mail ends up being forwarded somewhere +virtual_transport = error +transport_maps = hash:/etc/postfix/transport_map +mailman_destination_recipient_limit = 1 +{% endif %} + +{% if postfix.opendkim is defined %} +# DKIM & Milter +milter_default_action = accept +# Path must match opendkim.env +smtpd_milters = unix:opendkim/sock +non_smtpd_milters = $smtpd_milters +{% endif %} # misc smtpd_delay_reject = yes @@ -58,4 +124,3 @@ disable_vrfy_command = yes recipient_delimiter = + delay_warning_time = 4h message_size_limit = 21384000 -append_dot_mydomain = no