The original message was received at Fri, 15 Feb 2008 11:53:00 -0800
from lb.z57.com [209.75.14.120]
----- The following addresses had permanent fatal errors -----
<kaj@html.com>
(reason: 550 <kaj@html.com>: Recipient address rejected: Blocked)
----- Transcript of session follows -----
... while talking to mailfirewall2.html.com.:
>>> DATA
<<< 550 <kaj@html.com>: Recipient address rejected: Blocked
550 5.1.1 <kaj@html.com>... User unknown
<<< 554 Error: no valid recipients