Merge branch 'feat/postfix-mta-sts' of https://github.com/mailcow/mailcow-dockerized into feat/postfix-mta-sts

.gitignore

@@ -75,3 +75,4 @@ refresh_images.sh
 update_diffs/
 create_cold_standby.sh
 !data/conf/nginx/mailcow_auth.conf
+data/conf/postfix/mta-sts-resolver