[Users] smtp error

[Jim Seymour]

On Wed, 7 Mar 2012 16:57:36 +0000
Paul <claws at thewildbeast.co.uk> wrote:

> On Wed, 7 Mar 2012 10:27:57 +0000
> e-letter <inpost at gmail.com> wrote: 
> 
> > What is the following error (visible in the error log dialogue
> > window:
> > 
> > ** error occurred on SMTP session
> > *** Error occurred while sending the message:
> > 550 5.1.2 Cannot resolve your domain {mp-us011}
> 
> Looks like a message from the server.

It is.  It looks like either the HELO/EHLO greeting or the From, both
of which *should*, properly, contain an FQDN (Fully Qualified Domain
Name), such as "example.com" or "somehost.example.com," instead
contains simply "mp-us011," which is not a valid name.

My server(s) would reject it, too.

Regards,
Jim
-- 
Note: My mail server employs *very* aggressive anti-spam
filtering.  If you reply to this email and your email is
rejected, please accept my apologies and let me know via my
web form at <http://jimsun.LinxNet.com/contact/scform.php>.