Delete a Bundle of POP3 Messages

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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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    success := false

    //  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 := chilkat.NewMailMan()

    //  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).
    bundle := chilkat.NewEmailBundle()

    success = mailman.FetchAll(true,true,0,bundle)
    if success == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        bundle.DisposeEmailBundle()
        return
    }

    //  Delete every message in the bundle.
    success = mailman.DeleteBundle(bundle)
    if success == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        bundle.DisposeEmailBundle()
        return
    }

    //  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.
    success = mailman.Pop3EndSession()
    if success == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        bundle.DisposeEmailBundle()
        return
    }

    fmt.Println("Deleted ", bundle.MessageCount(), " 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.

    mailman.DisposeMailMan()
    bundle.DisposeEmailBundle()