postfix: add config option for smtpd_sender_restrictions

postfix/defaults/main.yml

@@ -35,6 +35,9 @@ postfix_virtual_alias_maps:
 postfix_sender_login_maps:
   - proxy:pcre:/etc/postfix/login_maps.pcre
 
+postfix_smtpd_sender_restrictions:
+  - reject_sender_login_mismatch
+
 postfix_enable_postscreen: true
 postfix_enable_memcached: false
 postfix_login_suffix: ''

postfix/templates/main.cf.j2

@@ -27,7 +27,7 @@ mailbox_command = {{ postfix_mailbox_command }}
 {% endif %}
 
 smtpd_sender_login_maps = {{ postfix_sender_login_maps|join(" ") }}
-smtpd_sender_restrictions = reject_sender_login_mismatch
+smtpd_sender_restrictions = {{ postfix_smtpd_sender_restrictions|join(" ") }}
 
 smtpd_sasl_type = dovecot
 smtpd_sasl_path = private/auth