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Format of a Delivery Status Notification (DSN MIME Format)

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This is part of RFC1894 which describes the MIME format of a DSN message. A DSN MIME sample is shown below.
2. Format of a Delivery Status Notification

   A DSN is a MIME message with a top-level content-type of
   multipart/report (defined in [2]).  When a multipart/report content
   is used to transmit a DSN:

(a) The report-type parameter of the multipart/report content is
    "delivery-status".

(b) The first component of the multipart/report contains a human-
    readable explanation of the DSN, as described in [2].

(c) The second component of the multipart/report is of content-type
    message/delivery-status, described in section 2.1 of this document.

(d) If the original message or a portion of the message is to be
    returned to the sender, it appears as the third component of the
    multipart/report.

Return-Path: <>
Delivered-To: admin@chilkatsoft.com
Received: (qmail 16566 invoked by uid 200); 11 Sep 2006 12:50:34 -0000
Delivered-To: support@chilkatsoft.com
Received: (qmail 16516 invoked from network); 11 Sep 2006 12:50:33 -0000
X-Spam-DCC: xinternal: xmail07 1323; Body=1 Fuz1=1 Fuz2=1
X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on 
	xmail07.myhosting.com
X-Spam-Level: 
X-Spam-Status: No, score=-0.2 hits=-0.2 required=5.0 tests=BAYES_00,
	HTML_40_50,HTML_MESSAGE,MSGID_MULTIPLE_AT autolearn=no version=3.1.0
X-Spam-Pyzor: 
Received: from unknown (HELO alnrmhc12.comcast.net) ([204.127.225.92])
          (envelope-sender <>)
          by xmail07.myhosting.com (qmail-ldap-1.03) with SMTP
          for <support@chilkatsoft.com>; 11 Sep 2006 12:50:31 -0000
Received: from alnrmhc12.comcast.net (localhost[127.0.0.1])
          by comcast.net (alnrmhc12) with ESMTP
          id <20060911125030b120039jm1e>; Mon, 11 Sep 2006 12:50:30 +0000
From: Mail Delivery Subsystem <mailer-daemon@comcast.net>
Subject: Returned mail: delivery problems encountered
Message-Id: <20060911125029b1200fa400e@A@000000000000@comcast.net>
Date: 11 Sep 2006 12:50:29 +0000
To: <support@chilkatsoft.com>
Mime-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status; boundary="_45055b95.3d44.0+comcast.net=_"

--_45055b95.3d44.0+comcast.net=_
Content-Type: text/plain

A message (from <support@chilkatsoft.com>) was received at 11 Sep 2006 12:49:48 +0000.

The following addresses had delivery problems:

<chilkat_software@yahoo.com>
	Permanent Failure: Other address status
	Delivery last attempted at Mon, 11 Sep 2006 12:49:48 -0000

--_45055b95.3d44.0+comcast.net=_
Content-Type: message/delivery-status

Reporting-MTA: dns; comcast.net
Arrival-Date: 11 Sep 2006 12:49:48 +0000

Final-Recipient: rfc822; <chilkat_software@yahoo.com>
Action: failed
Status: 5.1.0 MAIL FROM: <support@chilkatsoft.com> 
554 REPLY: 554_delivery_error:_dd_Sorry_your_message_to_chilkat_software@yahoo.com_cannot_be_delivered._
This_account_has_been_disabled_or_discontinued_[#102]._-_mta278.mail.re4.yahoo.com
Diagnostic-Code: smtp; Permanent Failure: Other address status
Last-Attempt-Date: Mon, 11 Sep 2006 12:49:48 -0000

--_45055b95.3d44.0+comcast.net=_
Content-Type: message/rfc822

Received: from dotnet.chilkatsoft.com (c-67-167-114-82.hsd1.il.comcast.net[67.167.114.82])
          by comcast.net (alnrmhc12) with SMTP
          id <20060911124947b120058nude>; Mon, 11 Sep 2006 12:49:47 +0000
Message-Id: <6.2.1.2.0.20060911074857.05fda1f0@mail.chilkatsoft.com>
X-Mailer: QUALCOMM Windows Eudora Version 6.2.1.2
Date: Mon, 11 Sep 2006 07:49:43 -0500
To: chilkat_software@yahoo.com
From: Chilkat Software <support@chilkatsoft.com>
Subject: Just testing...
Mime-Version: 1.0
Content-Type: multipart/mixed; x-avg-checked=avg-ok-40F36D91; boundary="=======AVGMAIL-45055B691B95======="

--=======AVGMAIL-45055B691B95=======
Content-Type: multipart/alternative; boundary="=====================_381078500==.ALT"; x-avg-checked=avg-ok-40F36D91

--=====================_381078500==.ALT
Content-Type: text/plain; charset=us-ascii; format=flowed; x-avg-checked=avg-ok-40F36D91



This email is a test.
This email is a test.
This email is a test.
This email is a test.
This email is a test.






No virus found in this incoming message.
Checked by AVG Anti-Virus.
Version: 7.1.394 / Virus Database: 268.10.4/401 - Release Date: 7/26/2006

--=====================_381078500==.ALT
Content-Type: text/html; charset=us-ascii; x-avg-checked=avg-ok-40F36D91

<html>
<body>
This email is a test.<br>
This email is a test.<br>
This email is a test.<br>
This email is a test.<br>
This email is a test.<br>
</body>
</html>

--=====================_381078500==.ALT--
--=======AVGMAIL-45055B691B95=======
Content-Type: text/plain; x-avg=cert; charset=us-ascii; x-avg-checked=avg-ok-40F36D91
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
Content-Description: "AVG certification"



No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.1.405 / Virus Database: 268.12.2/442 - Release Date: 9/8/2006

--=======AVGMAIL-45055B691B95=======--


--_45055b95.3d44.0+comcast.net=_--