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#1 Posted : Wednesday, April 13, 2011 5:27:51 AM(UTC)

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C#/CSharp Example

Read Receipt
Some e-mail applications, such as Microsoft Office Outlook, employ a read-receipt tracking mechanism. A sender selects the receipt request option prior to sending the message. Upon opening the email, each recipient has the option of notifying the sender that the message was opened and read.

However, there is no guarantee that you will get a read-receipt. Some possible reason are that very few e-mail applications or services support read receipts, or simply because users disable the functionality. Those do support read-receipt aren't necessarily compatible with or capable of recognizing requests from a different e-mail service or application

Delivery Receipt and Failure Report
It is also called a DSN (delivery service notification), which is a request to the recipient’s email server to send you a notification about the delivery of an email you've just sent. The notification takes the form of an email, and will tell you if your delivery succeeded (Delivery Receipt), failed, got delayed (Failure Report).

Parse Report
For many email campaign applications, the very important task is detecting if the email is received by recipient or not. Parsing the delivery report is the common way to get the email status. EAGetMail .NET class provides a built-in function (GetReport) to parse the report. The following sample demonstrates how to parse the delivery-report.

If ReporType is DeliveryReceipt or ReadReceipt, the report probably has only OriginalSender, OriginalRecipient and OriginalMessageID information in the report, it depends on the mail server that generated the report.

The following example codes demonstrate how to parse failure delivery report


// The following example codes demonstrate parsing failure delivery report
// To get full sample projects, please download and install EAGetMail on your machine.
// To run it correctly, please change email server, user, password, folder, file name value to yours

using System; 
using System.Collections; 
using System.Collections.Generic; 
using System.Text; 
using System.IO; 

// Add EAGetMail namespace
using EAGetMail; 

namespace receiveemail 
    class Program 
        static void ParseReport(string emlFile) 
            Mail oMail = new Mail("TryIt"); 
            oMail.Load(emlFile, false); 

            if (!oMail.IsReport) 
                Console.WriteLine("This is not a delivery report."); 

            MailReport oReport = oMail.GetReport(); 
            switch (oReport.ReportType) 
                case DeliveryReportType.DeliveryReceipt: 
                    Console.WriteLine( "This is a delivery receipt!" ); 
                case DeliveryReportType.ReadReceipt: 
                    Console.WriteLine( "This is a read receipt!" ); 
                    Console.WriteLine( "This is a failure report!" ); 

            Console.WriteLine( "OriginalSender: {0}", oReport.OriginalSender ); 
            Console.WriteLine( "OriginalRecipient: {0}", oReport.OriginalRecipient ); 
            Console.WriteLine( "OriginalMessageID: {0}", oReport.OriginalMessageID ); 

            if( oReport.ReportType == DeliveryReportType.FailureReport ) 
                Console.WriteLine( "ErrCode: {0}", oReport.ErrCode ); 
                Console.WriteLine( "ErrDescription: {0}", oReport.ErrDescription); 
                Console.WriteLine( "OriginalSubject: {0}", oReport.OriginalSubject ); 
                Console.WriteLine( "ReportMTA: {0}", oReport.ReportMTA ); 
                Console.WriteLine( oReport.OriginalHeaders.ToString()); 

        static void Main(string[] args) 
            ParseReport( "c:\\my folder\\test.eml" ); 

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