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