import logging
    import logging.handler

    root_logger = logging.getLogger('')
    root_logger.setLevel(logging.DEBUG)

    rotating_log = logging.handlers.RotatingFileHandler('log', 'a', 1000000, 1)
    rotating_log.setLevel(logging.DEBUG)
    formatter = logging.Formatter('%(asctime)s %(levelname)-8s %(message)s')
    rotating_log.setFormatter(formatter)
    root_logger.addHandler(rotating_log)

    mailer_log = logging.handlers.SMTPHandler("localhost", source_email_address, dest_email_address, subject_line)
    mailer_log.setLevel(logging.WARNING)

    memory_queue_log = logging.handlers.MemoryHandler(10000, logging.CRITICAL, mailer_log)
    root_logger.addHandler(memory_queue_log)