On Thu, Jun 11, 2015 at 02:07:18PM +0200, Tobi wrote: > ogrj.ch. 3057 IN MX 10 smtasg01.abxsec.com. > ogrj.ch. 3057 IN MX 20 smtazh01.abxsec.com. > ogrj.ch. 3057 IN MX 110 smta2.abxsec.com. > ogrj.ch. 3057 IN MX 120 smtp1.seabix.com. > ogrj.ch. 3057 IN MX 130 smta4.abxsec.com. > ogrj.ch. 3057 IN MX 140 smta3.abxsec.com. > ogrj.ch. 3057 IN MX 510 mtas.abxsec.com. > ogrj.ch. 3057 IN MX 520 mtaz.abxsec.com. > > Jun 11 11:09:07 smtp2 postfix/smtp[19862]: warning: no MX host for > ogrj.ch has a valid address record
There was a problem looking up the addresses of the above hosts, perhaps a nameserver was down, or a network connectivity problem prevented access. > Jun 11 11:09:07 smtp2 postfix/smtp[19862]: 2B25317FA69: > to=<removed_for_priv...@ogrj.ch>, relay=none, delay=0.18, > delays=0.15/0/0.03/0, dsn=5.4.4, status=bounced (Host or domain name > not found. Name service error for name=smtp1.seabix.com type=A: Host > not found) Postfix logged the problem for one of the MX hosts. > what I do not understand so far is, that postfix seems to try to > connect to smtp1.seabix.com which has prio 120 > Why does postfix not try to connect to the 10 or 20 prio hosts? Postfix did not try to connect to any of them. None of them resolved to an IP address. -- Viktor.