if __name__ == '__main__':
    controller = ControllerTls(
        ImprovMXHandler(),
        hostname=args.host,
        port=args.port
    )

    # Run the event loop in a separate thread.
    print("Starting SMTP Daemon ...")
    controller.start()
    print("Daemong started. Waiting for SIGINT or SIGQUIT to quit.")
    sig = signal.sigwait([signal.SIGINT, signal.SIGQUIT])
    print("Quitting SMTP Daemon")
    controller.stop()