[...]

The original message was received at Fri, 15 Jul 2005 16:44:51 -0400
from vivanet.com [90.84.56.252]

----- The following addresses had permanent fatal errors -----
<lurker@lists.plug.phoenix.az.us>

----- Transcript of the session follows -----
... while talking to host 18.12.179.251:
>>> RCPT To:<lurker@lists.plug.phoenix.az.us>
<<< 550 MAILBOX NOT FOUND