In JCA 1.5 Inbound Connection (IC) is added allowing developers to invoke Message Driven Beans (MBD) with other types of messages than JMS like emails, files etc. When a MDB is deployed using an IC the application server is calling endpointActivation() on the Resource Adapter (RA). This is the point when a RA can start sending messages to the MDB. The application server is providing a Message...