Subject: Returned mail: see transcript for details
From: Mail Delivery Subsystem <[email-masked]>
To: <[email-masked]>
Date: Tue, 1 Aug 2006 10:50:51 -0700

The original message was received at Tue, 1 Aug 2006 10:50:46 -0700
from localhost [127.0.0.1]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550 <[email-masked]> recipient rejected)

   ----- Transcript of session follows -----
... while talking to mx.east.cox.net.:
>>> RCPT To:<[email-masked]>
<<< 550 <[email-masked]> recipient rejected
550 5.1.1 <[email-masked]>... User unknown

Subject: Test Bounce Message
From: Sender Address <[email-masked]>
To: Sender Address <[email-masked]>
Date: Tue, 1 Aug 2006 10:46:03 -0700

Plain text message here.