[Compose] New Dovecot image

[Dovecot] Fix very stupid error in quarantine_notify.py - thanks to @DevTek314

data/Dockerfiles/dovecot/quarantine_notify.py

@@ -123,5 +123,3 @@ for record in records:
     if last_notification == 0 or (last_notification + 604800) < time_now:
       print "Notifying %s about %d new items in quarantine" % (record['rcpt'], record['counter'])
       notify_rcpt(record['rcpt'], record['counter'], record['quarantine_acl'])
-  else:
-    break

docker-compose.yml

@@ -164,7 +164,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.62
+      image: mailcow/dovecot:1.63
       build: ./data/Dockerfiles/dovecot
       cap_add:
         - NET_BIND_SERVICE