Merge branch 'feat/mail-policy' into nightly

data/conf/postfix/master.cf

@@ -140,10 +140,14 @@ smtp_sender_cleanup unix n - y - 0 cleanup
 127.0.0.1:10027 inet n n n - 0 spawn user=nobody argv=/usr/local/bin/whitelist_forwardinghosts.sh
 # end whitelist_fwd
 
+# mail policies: policy service of smtpd, asks the mailcow UI (mailcow_mail_policy in main.cf)
+mailcow-policy unix - n n - 0 spawn user=nobody argv=/usr/local/bin/mailcow-policy.py
+
 # start watchdog-specific
-# logs to local7 (hidden)
+# logs to local7 (hidden), no mail policy check
 589 inet n      -       n       -       -       smtpd
   -o smtpd_client_restrictions=permit_mynetworks,reject
+  -o smtpd_recipient_restrictions=permit_mynetworks,reject
   -o syslog_name=watchdog
   -o syslog_facility=local7
   -o smtpd_milters=