def eomReceived():
        """
        Handle end of message.

        return a deferred. The deferred should be called with either:
        callback(string) or errback(error)

        @rtype: L{Deferred}
        """

        Handle end of message.

        return a deferred. The deferred should be called with either:
        callback(string) or errback(error)

        @rtype: L{Deferred}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/mail/interfaces.py