Java

Delete a Bundle of POP3 Messages

Demonstrates the Chilkat MailMan.DeleteBundle method, which deletes POP3 messages using the UIDLs stored in the X-UIDL headers of the Email objects in an EmailBundle. An email without an X-UIDL header is skipped. This example fetches all messages and deletes them.

Background: DeleteBundle is the batch version of DeleteEmail: it marks every message in a downloaded bundle for deletion in one call. A typical "download and clear the mailbox" workflow is to fetch all messages, process them, then delete the whole bundle. Because a bundle can be filtered or built selectively, you can also delete just the subset you no longer need. The deletions commit when the POP3 session ends.

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import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.EmailBundle;
import com.chilkatsoft.chilkat2.MailMan;

public class ChilkatExample {

    public static void main(String[] args) {
        // Demonstrates the MailMan.DeleteBundle method, which deletes POP3 messages using the UIDLs
        // stored in the X-UIDL headers of the Email objects in an EmailBundle.  An email without an
        // X-UIDL header is skipped.

        MailMan mailman = new MailMan();

        // Configure the POP3 server connection.
        mailman.setMailHost("pop.example.com");
        mailman.setMailPort(995);
        mailman.setPopSsl(true);
        mailman.setPopUsername("user@example.com");
        mailman.setPopPassword("myPassword");

        // Fetch all messages (headers are enough; each carries an X-UIDL header).
        EmailBundle bundle = new EmailBundle();

        try {
            mailman.fetchAll(true, true, 0, bundle);

            // Delete every message in the bundle.
            mailman.deleteBundle(bundle);

            // Unless the ImmediateDelete property is set to true, the messages are only marked for
            // deletion.  End the POP3 session (which sends the QUIT command) to commit the deletions.
            mailman.pop3EndSession();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Deleted " + bundle.getMessageCount() + " messages from the POP3 server.");

        // Note: Explicitly connecting/authenticating is optional.  Chilkat MailMan automatically
        // connects and authenticates -- using the property settings above -- whenever a server
        // operation requires it.  Calling the explicit connect/authenticate methods can still be
        // helpful to determine whether a failure occurs while connecting or while authenticating.
    }
}