Date:  Mon, 20 Mar 2006 20:17:35 -0000
From:  "Stephane xj. Lucas" <stephane (at mark) dslhome.org>
Subject:  [coba-e:04317] The following recipient(s) could not be reached:   apaceh@
To:  <coba-e (at mark) bluequartz.org>
Message-Id:  <D6B11AFC0E79FB44AA45F52E4B230EE507E107 (at mark) cow.got-milk.co.uk>
X-Mail-Count: 04317

I got that message in my inbox coming from my server:



Your message did not reach some or all of the intended recipients.

      Subject:	Returned mail: see transcript for details
      Sent:	20/03/2006 20:13

The following recipient(s) could not be reached:

      apache (at mark) ns.nywtc.co.uk on 20/03/2006 20:13
            The message cannot be delivered due to a configuration error
on the server. Please contact your Administrator.
            < ns.nywtc.co.uk #5.3.0 SMTP; 553 5.3.0
<apache (at mark) ns.nywtc.co.uk>... No such user here>




What could it be?

Regards
Stephane