A computing device may receive first message data associated with a messaging group. The computing device may associate the first message data with a messaging thread. The computing device may associate a unique session identifier with one or both of the messaging thread and the messaging group. For a first one or more user devices of the messaging group, the computing device may send the message data along with the unique identifier via a native messaging protocol. For a second one or more of the user devices of the messaging group, the computing device may associate a fallback identifier of each of the one or more second user devices with one or both of the messaging thread and the messaging group, and send the first message data and unique identifier via a fallback messaging protocol.