(Swift) Download MIME Source of Emails in IMAP Mailbox

Demonstrates how to download the MIME source for emails on an IMAP server.

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

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

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("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
    }

    // The NumMessages property contains the number of messages in the selected mailbox.
    var numMessages: Int = imap.numMessages.intValue
    if numMessages == 0 {
        print("No messages exist in the Inbox.")
        return
    }

    let sbMime = CkoStringBuilder()!
    var seqNum: Int
    for seqNum = 1; seqNum <= numMessages; seqNum++ {
        sbMime.clear()
        success = imap.fetchSingle(asMimeSb: seqNum, bUid: false, sbMime: sbMime)
        if success == false {
            print("\(imap.lastErrorText!)")
            return
        }

        // The MIME source of the downloaded email is contained in sbMime.
    }

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

}