Each connection will run in its own thread in an amqrmppa process, so they won't get in each other's way unless there's contention for exclusive access to a queue.
There's no any specific benefit in having some clients connect on one channel name, and some on another unless they have different access requirements. Dave Instructions for managing your mailing list subscription are provided in the Listserv General Users Guide available at http://www.lsoft.com Archive: http://vm.akh-wien.ac.at/MQSeries.archive
