Subject: Delivery Notification <[email-masked]>
From: Postmaster
To: [email-masked]
Date: Wed, 19 Sep 2012 05:23:36 -0500

This is a delivery status notification, automatically generated by MTA kbsictmtaout.sample2.com on Wed, 19 Sep 2012 05:23:36 -0500
Regarding recipient(s) : [email-masked]
Delivery status : Failed. Message could not be delivered to domain <sample3.com> .501; Spam Blocked - psmtp 
MTA Response :501
The original message headers are included as attachment.

Subject: foo
From: John Smith <[email-masked]>
To: Fred Bloggs <[email-masked]>
Date: Wed, 19 Sep 2012 11:23:24 +0100

*** Body Not Included ***