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(VB.NET UWP/WinRT) Create MDN (Message Disposition Notification) Email

Demonstrates how to create a MDN (Message Disposition Notification) Email having the format as defined in RFC 3798.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

Dim email As New Chilkat.Email

Dim success As Boolean

' An MDN can be used to notify the
' sender of a message of any of several conditions that may occur after
' successful delivery, such as display of the message contents,
' printing of the message, deletion (without display) of the message,
' or the recipient's refusal to provide MDNs.
' (for more information, see RFC 3798)

' IMPORTANT:
' Note: Please be careful in sending automated MDN's.
' It is important to be aware of an issue called "backscatter".
' See the Wikipedia article here:  http://en.wikipedia.org/wiki/Backscatter_%28e-mail%29

' The CreateMdn method is called to create a new
' MDN email based upon the email object calling CreateMdn.
' The email object instance used to call CreateMdn would
' typically be an email received from a POP3 or IMAP server.
' In this case, to simplify the example, we'll load the email
' from a .eml file.

' This example will be creating a MDN for "someEmail.eml"
success = email.LoadEml("someEmail.eml")
If (success <> True) Then
    Debug.WriteLine(email.LastErrorText)
    Exit Sub
End If


' The MDN created by CreateMdn will contain a 
' "message/disposition-notification" MIME sub-part that will
' be composed of a number of name-value pairs.
' See RFC 3798  ( http://tools.ietf.org/html/rfc3798 )
' The name-value content for this part is passed
' as XML to CreateMdn. This part of the example
' prepares the XML:
Dim xml As New Chilkat.Xml

' For this example, we're just adding a few name-value pairs.
' These should not be considered to be correct, required or
' even sensible -- they are simply for the example.  
xml.Tag = "DispositionFields"
xml.NewChild2("Disposition","manual-action/MDN-sent-manually; displayed")
xml.NewChild2("Original-Message-ID",email.GetHeaderField("Message-ID"))
xml.NewChild2("Final-Recipient",email.GetToAddr(0))

Dim xmlStr As String = xml.GetXml()

' The last argument to be passed to CreateMdn will be a boolean
' indicating whether to include the entire MIME of the calling
' email object in the MDN, or only the header.
' It may make sense to include the entire email for small emails,
' but for large emails (with large attachments) it's probably
' best to make the MDN header-only.
Dim bHeaderOnly As Boolean = True

' The first argument to be passed to CreateMdn will
' be a human-readable explanation that will be placed
' into the 1st MIME part of the MDN (see RFC 3798).
Dim humanReadableExplanation As String = "Blah blah blah.  Your message has been received and displayed. Blah blah blah"

' OK, we're ready to create MDN...
Dim mdnEmail As Chilkat.Email

mdnEmail = email.CreateMdn(humanReadableExplanation,xmlStr,bHeaderOnly)
If (email.LastMethodSuccess = False) Then
    Debug.WriteLine(email.LastErrorText)
    Exit Sub
End If


' Show the MIME of the source (original) email:
Debug.WriteLine(email.GetMime())

Debug.WriteLine("**************************************")

' Show the MIME of the MDN email:
Debug.WriteLine(mdnEmail.GetMime())



' Sample output showing the MIME of the original email,
' and the MDN email created based upon it:


' X-Account-Key: account2
' X-UIDL: 0D154945439D42BD80F180F6D9DE4D82
' Received: with MailEnable Postoffice Connector;
' 	 Tue, 21 Jun 2011 09:21:23 -0400
' Received: from qmta14.emeryville.ca.mail.comcast.net ([76.96.227.212]) by chilkatsoft.com with MailEnable ESMTP;
' 	 Tue, 21 Jun 2011 09:21:22 -0400
' Received: from omta03.emeryville.ca.mail.comcast.net ([76.196.30.27]) by qmta14.emeryville.ca.mail.comcast.net with comcast id yd4k1g0050b6N64AEdLW9x;
' 	 Tue, 21 Jun 2011 13:20:30 +0000
' Received: from [127.0.0.1] ([67.175.202.103]) by omta03.emeryville.ca.mail.comcast.net with comcast id ydLV1g00n2EMkZ78PdLWxi;
' 	 Tue, 21 Jun 2011 13:20:31 +0000
' Message-ID: <4E009AA4.3090205@chilkatsoft.com>
' Date: Tue, 21 Jun 2011 08:20:36 -0500
' From: Chilkat Software <admin@chilkatsoft.com>
' User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10
' MIME-Version: 1.0
' To: Chilkat Support <support@chilkatsoft.com>
' Subject: test 123
' Content-Type: text/plain; charset=ISO-8859-1; format=flowed
' Content-Transfer-Encoding: 7bit
' Return-Path: <>
' X-Antivirus: avast! (VPS 110621-0, 06/21/2011), Inbound message
' X-Antivirus-Status: Clean
' 
' This is a test 123
' 
' 
' 
' **************************************
' Content-Type: multipart/report;
' 	 report-type=disposition-notification;
' 	 boundary="------------000802010206080606030808"
' 
' --------------000802010206080606030808
' Content-Type: text/plain
' Content-Transfer-Encoding: 7bit
' 
' Blah blah blah.  Your message has been received and displayed. Blah blah blah
' --------------000802010206080606030808
' Content-Type: message/disposition-notification
' 
' Disposition: manual-action/MDN-sent-manually; displayed
' Original-Message-ID: <4E009AA4.3090205@chilkatsoft.com>
' Final-Recipient: support@chilkatsoft.com
' 
' --------------000802010206080606030808
' Content-Type: text/rfc822-headers
' 
' X-Account-Key: account2
' X-UIDL: 0D154945439D42BD80F180F6D9DE4D82
' Received: with MailEnable Postoffice Connector;
' 	 Tue, 21 Jun 2011 09:21:23 -0400
' Received: from qmta14.emeryville.ca.mail.comcast.net ([76.96.227.212]) by chilkatsoft.com with MailEnable ESMTP;
' 	 Tue, 21 Jun 2011 09:21:22 -0400
' Received: from omta03.emeryville.ca.mail.comcast.net ([76.196.30.27]) by qmta14.emeryville.ca.mail.comcast.net with comcast id yd4k1g0050b6N64AEdLW9x;
' 	 Tue, 21 Jun 2011 13:20:30 +0000
' Received: from [127.0.0.1] ([67.175.202.103]) by omta03.emeryville.ca.mail.comcast.net with comcast id ydLV1g00n2EMkZ78PdLWxi;
' 	 Tue, 21 Jun 2011 13:20:31 +0000
' Message-ID: <4E009AA4.3090205@chilkatsoft.com>
' Date: Tue, 21 Jun 2011 08:20:36 -0500
' From: Chilkat Software <admin@chilkatsoft.com>
' User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10
' MIME-Version: 1.0
' To: Chilkat Support <support@chilkatsoft.com>
' Subject: test 123
' Content-Type: text/plain; charset=ISO-8859-1; format=flowed
' Content-Transfer-Encoding: 7bit
' Return-Path: <>
' X-Antivirus: avast! (VPS 110621-0, 06/21/2011), Inbound message
' X-Antivirus-Status: Clean
' --------------000802010206080606030808--
' 
' 

 

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