Henning Follmann, Fr 02 Dez 2016 15:33:48 CET: > Why does postfix even try to get the AAAA record. Documentation states > actually that if not provided t defaults to: > inet_protocols = ipv4 No, the documentation states | inet_protocols (default: all) http://www.postfix.org/postconf.5.html#inet_protocols # postconf inet_protocols will show you the value that your postfix actually uses. -- Regards mks