Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Mon, 28 Aug 2006 13:31:22 -0700

The original message was received at Mon, 28 Aug 2006 13:31:22 -0700
from localhost [127.0.0.1]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550 Requested action not taken: mailbox unavailable)

   ----- Transcript of session follows -----
... while talking to mx4.hotmail.com.:
>>> DATA
<<< 550 Requested action not taken: mailbox unavailable
550 5.1.1 <[email-masked]>... User unknown
<<< 503 Need Rcpt command.

Subject: Test Bounce Message
From: Sender Address <[email-masked]>
To: Sender Address <[email-masked]>
Date: Mon, 28 Aug 2006 13:12:43 -0700

Plaintext message here