How do you account for the following message from firenet?
The original message was received at Tue, 24 Sep 2002 18:34:09 -0400
from firewall.angelfire.ws [194.74.223.253] (may be forged)
----- The following addresses had permanent fatal errors -----
(reason: 553 5.3.0 ... No such user here)
----- Transcript of session follows -----
... while talking to int-mx1.corp.redhat.com.:
>>> RCPT To:
<<< 553 5.3.0 ... No such user here
550 5.1.1 ... User unknown
(posted 7877 days ago)