Subject: Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Wed, 25 Apr 2007 18:15:20 +0200

The original message was received at Wed, 25 Apr 2007 18:15:20 +0200
from [192.168.163.7]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: User unknown)

   ----- Transcript of session follows -----
Invalid user specified.
550 5.1.1 <[email-masked]>... User unknown

Subject: [WARNING: VIRUS REMOVED]SPAM!!! [email-masked]
From: [email-masked]
To: [email-masked]
Date: Wed, 25 Apr 2007 12:12:28 -0400

The message could not be delivered