(Swift 2) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // 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
    var success: Bool = imap.Connect("imap.someMailServer.com")
    if success != true {
        print("\(imap.LastErrorText)")
        return
    }

    // Login
    success = imap.Login("admin@chilkatsoft.com", password: "myPassword")
    if success != true {
        print("\(imap.LastErrorText)")
        return
    }

    // Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox")
    if success != true {
        print("\(imap.LastErrorText)")
        return
    }

    var messageSet: CkoMessageSet?
    var fetchUids: Bool = true

    // Find emails marked as seen or not already seen:
    var seenSearch: String? = "SEEN"
    var notSeenSearch: String? = "NOT SEEN"

    // Get the set of unseen message UIDs
    messageSet = imap.Search(notSeenSearch, bUid: fetchUids)
    if imap.LastMethodSuccess == false {
        print("\(imap.LastErrorText)")
        return
    }

    // Fetch the unseen emails into a bundle object:
    var bundle: CkoEmailBundle?
    bundle = imap.FetchBundle(messageSet)
    if imap.LastMethodSuccess == false {
        messageSet = nil
        print("\(imap.LastErrorText)")
        return
    }

    // Display the Subject and From of each email.
    var i: Int = 0
    var numEmails: Int = bundle!.MessageCount.intValue
    while i < numEmails {
        var email: CkoEmail? = bundle!.GetEmail(i)

        print("\(email!.GetHeaderField("Date"))")
        print("\(email!.Subject)")
        print("\(email!.From)")
        print("--")

        email = nil
        i = i + 1
    }

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

    messageSet = nil
    bundle = nil

}