[MAILER-DAEMON@etc] What to do?

[David Fokkema <dfokkema@ileos.nl>]

Hi group,

What can I do about something like this? Apparently, the host is
unknown, so complaining to the ISP doesn't make sense, does it? Am I the
only one receiving this for every mail I send to the list?

David


<transcript>

The original message was received at Tue, 12 Aug 2003 07:41:11 -0400
from d01av03.pok.ibm.com [9.56.224.217]

   ----- The following addresses had permanent fatal errors -----
<@vm-av.pok.relay.ibm.com:cowboy@badlands.svl.ibm.com>
    (reason: 550 Host unknown)

</transcript>