The original message was received at Sat, 27 Sep 2008 12:30:21 -0700
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<bdog@yahoo.com>
(reason: 554 delivery error: dd This user doesn't have a yahoo.com account (bdog@yahoo.com) [-5] - mta686.mail.mud.yahoo.com)
----- Transcript of session follows -----
... while talking to f.mx.mail.yahoo.com.:
>>> DATA
<<< 554 delivery error: dd This user doesn't have a yahoo.com account (bdog@yahoo.com) [-5] - mta686.mail.mud.yahoo.com
554 5.0.0 Service unavailable