How can I get Read receipt using DSN?

Question

Hi all,
I can able to get the Delivered/Undelivered receipt using following code, but am not able to receive Read receipt.
Am sure I need to add few lines to get that Read receipt. But am not get exact code to achieve that. Already I have searched lot here.Still not get exact code to read receipt using DSN.
Following is a code, Which am using to get Delivered/Undelivered receipt successfully:
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class testMail {
    public static void main(String args[]) throws Exception {
        String host = "172.15.4.12";
        String from = "[email protected]";
        String to = "[email protected]";
        String dsn = "SUCCESS,FAILURE,DELAY ORCPT=rfc822;" + from;
        // Get system properties
        Properties properties = System.getProperties();
        // Setup mail server
       properties.setProperty("mail.smtp.host", host);
       properties.put("mail.smtp.dsn.notify", dsn);
        // Get the default Session object.
        Session session = Session.getDefaultInstance(properties);
        // Create a default MimeMessage object.
        MimeMessage message = new MimeMessage(session);
        // Set the RFC 822 "From" header field using the
        // value of the InternetAddress.getLocalAddress method.
        message.setFrom(new InternetAddress(from));
        // Add the given addresses to the specified recipient type.
        message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
        // Set the "Subject" header field.
        message.setSubject("hi..!");
        // Sets the given String as this part's content,
        // with a MIME type of "text/plain".
        message.setText("Delivered:");
        // Send message
        Transport.send(message);
         System.out.println("Message Send.....");
}with above code,I can able to get Delivered/Undelivered receipt.
I need code to get the Read receipt by using Java mail API.
Already I did lot of search in google and got weird.
Thats why I post here.If anybody have the sample code to do this pls., share here..this helpful to lot.
Thanks in advance.

Answer 1

bshannon wrote:
Please read [RFC 3798|http://www.ietf.org/rfc/rfc3798.txt].
You'll need to set the Disposition-Notification-To header using the setHeader method.Hi I got the solution with below code. I add just one line code in my previous code.Now its work fine. But As bshannon replied me, here am not used setHeader method.I have used addHeader method.
below my code:
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class testMail {
    public static void main(String args[]) throws Exception {
        String host = "172.16.3.13";
        String from = "[email protected]";
        String to = "[email protected]";
        String dsn = "SUCCESS,FAILURE,DELAY ORCPT=rfc1891;" + to;
        // Get system properties
        Properties properties = System.getProperties();
        // Setup mail server
       properties.setProperty("mail.smtp.host", host);
       properties.put("mail.smtp.dsn.notify", dsn);
        // Get the default Session object.
        Session session = Session.getDefaultInstance(properties);
        // Create a default MimeMessage object.
        MimeMessage message = new MimeMessage(session);
               // value of the InternetAddress.getLocalAddress method.
        message.setFrom(new InternetAddress(from));
        // Add the given addresses to the specified recipient type.
        message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
       //below one line code I added to get read receipt mail.
        *message.addHeader("Disposition-Notification-To", "[email protected]");*   
    // Set the "Subject" header field.
        message.setSubject("hi..!");
        // Sets the given String as this part's content,
        // with a MIME type of "text/plain".
        message.setText("Hi this is test mail:");
        // Send message
        Transport.send(message);
         System.out.println("Message Send.....");
Hi bshanon thanks for your kind reply