The bot should handle not having enough power to post. At the moment the bot returns success
2018-05-22 09:17:14,943 - synapse.handlers.message - 676 - WARNING - PUT-1294233- Denying new event <FrozenEvent event_id='$15269806345702TuVPZ:example.com', type='m.room.message', state_key='None'> because 403: You don't have permission to post that to the room. user_level (0) < send_level (50)