Subject: Generating confirm read message
Date: 2013-03-29 08:11:56
From: Pascal LAUDEN
Source: generating-confirm-read-message
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	Hello,

	I've just purshased UltimateMailCF and I'm getting an issue generating confirm read message

	I've made the test : downloaded a confirm read message as mime file and parsed it with MailMessage :

	The confirm read is seen as an attachment :

	

	Content-Type: message/disposition-notification

	

	Final-recipient: RFC822; user@test.com

	Disposition: automatic-action/MDN-sent-automatically; displayed

	 

	which content-type is "message/disposition-notification" and TransferEncoding : SevenBit

	(Attachment.ContentType.MediaType = message/disposition-notification and Attachment.MediaType=: message/disposition-notification)

	But if I create a new attachment :

	[code lang='c#']

	 Attachment attachment = new Attachment();

	attachment.LoadContent("This is text attachment","message/disposition-notification", Encoding.UTF8, TransferEncoding.SevenBit);

	  [/code]

	it throws an exception :

	System.ArgumentException was unhandled

	  Message="Media type 'message/disposition-notification' is not appropriate for text.\r\nParameter name: contentType"

	So I tried to load it from a file

	[code lang='c#']

	 Attachment attachment = new Attachment();

	 FileStream fs = File.OpenRead(@"C:\Projet_C#\_MIME\streamgmail.txt");

	 attachment.LoadContentFromStream(fs, "att.txt", "message/disposition-notification");

	  [/code]

	this is OK but when I open the generated message in a text editor, the attachement is binary data :

	Content-Disposition: attachment;

	    filename="att.txt"

	Content-Type: message/disposition-notification;

	    name="att.txt"

	Content-Transfer-Encoding: base64

	it look like it is not seend as a read confirmation message.

	what is the correct way to generate a confirm read message using UltimateMailCF?

	Thanks for your help

	 

	 

	 

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