The original message was received at Fri, 24 Apr 2009 01:48:19 -0700
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<obacvo@jhvkqn.com>
(reason: 550 Host unknown)
----- Transcript of session follows -----
550 5.1.2 <obacvo@jhvkqn.com>... Host unknown (Name server: jhvkqn.com: host not found)