The original message was received at Fri, 7 Mar 2008 11:16:45 -0800
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<BEERWAGON@ATT.NET>
(reason: 551 not our customer)
----- Transcript of session follows -----
... while talking to scc-mailrelay.att.net.:
>>> DATA
<<< 551 not our customer
550 5.1.1 <BEERWAGON@ATT.NET>... User unknown
<<< 503 need RCPT command [data]