Swift

Connect to an IMAP Server

Demonstrates the Chilkat Imap.Connect method, which establishes a TCP connection to the IMAP server but does not authenticate. The argument may be a hostname, IPv4, or IPv6 address; configure Ssl and Port first. This example connects with implicit TLS, then logs in and disconnects.

Background: IMAP (Internet Message Access Protocol) is the protocol for accessing mail that stays on the server — unlike POP3, which typically downloads and removes it. That server-side model is what lets multiple devices see the same mailboxes, folders, and read/unread state. A session starts by connecting (usually implicit TLS on port 993), then authenticating — Connect performs only the first step, so it is always followed by Login.

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Swift


func chilkatTest() {
    var success: Bool = false

    //  Demonstrates the Imap.Connect method, which establishes a TCP connection to the IMAP
    //  server but does not authenticate.  Call Login after connecting to authenticate.

    let imap = CkoImap()!

    //  Use implicit TLS on the standard IMAPS port.
    imap.ssl = true
    imap.port = 993

    //  Establish the connection to the IMAP server (no authentication yet).
    success = imap.connect(hostname: "imap.example.com")
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    print("Connected to the IMAP server.")

    //  Authenticate the session.
    success = imap.login(login: "user@example.com", password: "myPassword")
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    //  Disconnect when finished.
    success = imap.disconnect()
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }


}