Subject: Undeliverable: foo
From: <[email-masked]>
To: <[email-masked]>
Date: Mon, 21 May 2012 20:47:09 +0200

This message wasn't delivered to anyone because it's too large. The limit is 14 MB. This message is 18 MB.

John Smith ([email-masked])<mailto:[email-masked]>
This message won't be sent because it's too large.

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[email-masked]
#550 5.2.3 RESOLVER.RST.SendSizeLimit.Org; message too large for this organization ##

Original message headers:

Date: Mon, 21 May 2012 19:46:26 +0100
From: fred.bloggs <[email-masked]>
Subject: foo
To: John Smith <[email-masked]>