FYI: I just looked at a few DSN's and they DO have a short message in the body, but there are always 3 attachments too.
ENTIRE BODY TEXT:
This is an automatically generated Delivery Status Notification.
*Delivery to the following recipients failed permanently:
*****
mail@anthonytonini.com
*Reason: Permanent Error
TEXT OF 1ST ATTACHMENT VIEWED IN TEXT EDITOR:
Reporting-MTA: dns; resqmta-ch2-11v.sys.comcast.net [69.252.207.43]
Received-From-MTA: dns; resomta-ch2-16v.sys.comcast.net [69.252.207.112]
Arrival-Date: Tue, 24 Jan 2017 04:40:58 +0000
Final-recipient: rfc822;
mail@anthonytonini.com
Diagnostic-Code: smtp;
Last-attempt-Date: Fri, 27 Jan 2017 06:52:59 +0000
TEXT OF 2ND ATTACHMENT VIEWED IN TEXT EDITOR:
Received: from [192.168.1.10] ([73.230.255.89])
by resomta-ch2-16v.sys.comcast.net with SMTP
id VsufcGolmy3OZVsugcjScp; Tue, 24 Jan 2017 04:40:58 +0000
X-Authority-Analysis: v=2.1 cv=ctg76wMi c=1 sm=1 tr=0
a=xldxjte6D191LtI4LbNJQw==:117 a=xldxjte6D191LtI4LbNJQw==:17
a=L9H7d07YOLsA:10 a=9cW_t1CCXrUA:10 a=s5jvgZ67dGcA:10 a=khwyK8DuSVkA:10
a=ta6e-PyBAJW8MhlG_WQA:9 a=QEXdDO2ut3YA:10 a=_RK7zBAZqj0HBD6JgT8A:9
a=zJJgJrR4LD4A:10 a=frz4AuCg-hUA:10 a=FO2zY9Tf_mcA:10
From: "Anthony Tonini" <tony@tonytonini.com>
To: "mail@anthonytonini.com" <mail@anthonytonini.com>
Subject: from comcast - 11:40pm 1/23/17
Date: Tue, 24 Jan 2017 04:40:55 +0000
Message-Id: <em4484c8b6-6d3b-45d2-8eca-9682aff7e70c@precision-m4600>
Reply-To: "Anthony Tonini" <tony@tonytonini.com>
User-Agent: eM_Client/7.0.27943.0
Mime-Version: 1.0
Content-Type: multipart/alternative;
boundary="------=_MBF3DCA45F-0D38-4CDA-8232-C0DCF4C93A17"
X-CMAE-Envelope: MS4wfFz4pcIgemUtMWpFlix7B1njN0Lzavvaq8tz2P+QxRI8BkjeuOrberVesyDmvd9W+8Z+YMBFZD8gOcTWNrcFnkzsS82sq7ANxZECo+UVpFDqIkmVhn7X
3RNXPEUMypSM4RtgpRauPJEWAoLLnlEt5CViFMRs1hcdsdJutU+L5Us94iSExqqJ/dPCNEr35AwxUA==
3RD ATTACHMENT:
...was just a copy of the original email sent. The headers are actually view-able when opened as an email message.