def createMessageReceiver():
        """
        Create a message receiver.

        @rtype: L{IMessageSMTP} provider
        @return: A message receiver.
        """

        Create a message receiver.

        @rtype: L{IMessageSMTP} provider
        @return: A message receiver.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/mail/interfaces.py