(Swift) IMAP Delete Old Email (before a specified date)

Demonstrates how to delete email older than a particular date.

Note: This example requires Chilkat v11.0.0 or greater.

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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
    // Use your IMAP server domain.  This example 
    success = imap.connect("imap.example.com")
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

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

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

    // Get message ID's for emails older than 1/1/2025
    var fetchUids: Bool = true
    let messageSet = CkoMessageSet()!
    success = imap.queryMbx("SENTBEFORE 01-Jan-2025", bUid: fetchUids, msgSet: messageSet)
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    // If desired, we can examine the Subject of each email to be deleted..
    let email = CkoEmail()!
    var i: Int = 0
    var count: Int = messageSet.count.intValue
    var headerOnly: Bool = true

    while i < count {
        success = imap.fetchEmail(headerOnly, msgId: messageSet.getId(i), bUid: true, email: email)
        if success == false {
            print("\(imap.lastErrorText!)")
            return
        }

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

        i = i + 1
    }

    // Set the Deleted flag for each message:
    success = imap.setFlags(messageSet, flagName: "Deleted", value: 1)
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    // Expunge and close the mailbox.
    success = imap.expungeAndClose()
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

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

}