Rudy Gevaert wrote:
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.
What does it mean, exactly? Note that as documented, smtp_helo_name does
not accept a file name as an argument but only a direct value. Ditto for
myorigin.
myorigin) it appends a '.' to the end of the hostname. And according to
the rfc this isn't allowed.
Why is postfix appending the . ?
Show the proof of this, in a form of tcpdump recording or at least verbose
postfix logging.
Postfix is used in many many places, and only at your place, according to
your conclusions at least, it appends the dot.
/mjt