On 17.02.2013, at 21:04, Michael Grimm <trashcan at odo.in-berlin.de> wrote: > BTW: I had had defined "hostname=" in dovecot.conf identically using completely different *but* identical FQDNs "mail.my-domain.tld" because of: s/using completely different/using completely different to locally reported by resolver/g Regards, Michael