+{% 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 | default(False) %}
+# DKIM & Milter
+milter_default_action = accept
+smtpd_milters = unix:opendkim/sock
+non_smtpd_milters = $smtpd_milters
+{% endif %}
+