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(MFC) 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 C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkEmail.h>
#include <CkXml.h>

void ChilkatSample(void)
    {
    CkString strOut;

    CkEmail email;

    bool success;

    // 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) {
        strOut.append(email.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // 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:
    CkXml 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.put_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));

    const char *xmlStr = 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.
    bool bHeaderOnly = 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).
    const char *humanReadableExplanation = "Blah blah blah.  Your message has been received and displayed. Blah blah blah";

    // OK, we're ready to create MDN...
    CkEmail *mdnEmail = 0;

    mdnEmail = email.CreateMdn(humanReadableExplanation,xmlStr,bHeaderOnly);
    if (email.get_LastMethodSuccess() == false) {
        strOut.append(email.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Show the MIME of the source (original) email:
    strOut.append(email.getMime());
    strOut.append("\r\n");

    strOut.append("**************************************");
    strOut.append("\r\n");

    // Show the MIME of the MDN email:
    strOut.append(mdnEmail->getMime());
    strOut.append("\r\n");

    delete mdnEmail;

    // 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--
    // 
    // 


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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