Swift Requires Chilkat v11.0.0+

Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one). Swift

func chilkatTest() {
    var success: Bool = false

    //  This example assumes the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    let imap = CkoImap()!

    //  Connect to an IMAP server.
    //  Use TLS
    imap.ssl = true
    imap.port = 993
    success = imap.connect(hostname: "imap.example.com")
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    //  Login
    success = imap.login(login: "myLogin", password: "myPassword")
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    //  Select an IMAP mailbox
    success = imap.selectMailbox(mailbox: "Inbox")
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    //  We can choose to fetch UIDs or sequence numbers.
    var fetchUids: Bool = true

    //  Get the message IDs of all the emails in the mailbox
    let messageSet = CkoMessageSet()!
    success = imap.queryMbx(criteria: "ALL", bUid: fetchUids, msgSet: messageSet)
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    //  Fetch the emails into a bundle object:
    let bundle = CkoEmailBundle()!
    var headersOnly: Bool = false
    success = imap.fetchMsgSet(headersOnly: headersOnly, msgSet: messageSet, bundle: bundle)
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    //  To mark a complete set of emails for deletion, call SetFlags:
    success = imap.setFlags(messageSet: messageSet, flagName: "Deleted", value: 1)
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    //  Messages can also be marked for deletion individually:
    //  Loop over the bundle and mark each message for deletion.
    let email = CkoEmail()!
    var i: Int = 0
    var numEmails: Int = bundle.messageCount.intValue
    while i < numEmails {
        bundle.email(at: i, email: email)

        print("\(email.from!)")
        print("\(email.subject!)")

        //  To delete this email, set the "Deleted" flag to 1.
        //  The email is not actually deleted until Expunge or
        //  ExpungeAndClose is called.
        success = imap.setMailFlag(email: email, flagName: "Deleted", value: 1)
        if success == false {
            print("\(imap.lastErrorText!)")
            return
        }

        print("--")

        i = i + 1
    }

    success = imap.expungeAndClose()
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    //  Disconnect from the IMAP server.
    success = imap.disconnect()

}