The original message was received at Sat, 8 Mar 2008 09:36:49 -0800
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<rfesesr@aol>
(reason: 550 Host unknown)
----- Transcript of session follows -----
550 5.1.2 <rfesesr@aol>... Host unknown (Name server: aol: host not found)