Rudy Gevaert: > Dear list, > > This morning I stumbled upon a strange problem. Mail delivery to an > exchange backend did not work: > > refused to talk to me: 501 5.5.4 Invalid Address) > > After some troubleshooting an googling I found > http://support.microsoft.com/kb/291828. > > When using the contents of a file for the smtp_helo_name (or with e.g. > myorigin) it appends a '.' to the end of the hostname. And according > to the rfc this isn't allowed. > > Why is postfix appending the . ?
Postfix as released from postfix.org does not support smtp_helo_name from file. Wietse