On Fri, Apr 17, 2020 at 02:28:10PM +0200, Vieri Di Paola wrote: > One of these mailbox servers has indeed the same "SMTP name" as one of > the Postfix servers. In this case, I do get a message like this in the > log: host XXX greeted me with my own hostname YYY > > However, it's only a WARNING, and I didn't see this message in my > previous logs (the ones I posted earlier).
This is why upthread I requested collate output for the failed delivery, which should have included the warning, and yet I don't recall seeing you post that. This could have been solved earlier... :-( -- Viktor.