Mute the sender of this modmail message.

        :param _unmute: Unmute the user instead. Please use
            :meth:`unmute_modmail_author` instead of setting this directly.

def mute_modmail_author(self, _unmute=False):
        """Mute the sender of this modmail message.

        :param _unmute: Unmute the user instead. Please use
            :meth:`unmute_modmail_author` instead of setting this directly.

        """
        path = 'unmute_sender' if _unmute else 'mute_sender'
        return self.reddit_session.request_json(
            self.reddit_session.config[path], data={'id': self.fullname})