lk5990,
If what you mean my "mqueue" is POSIX (i.e. mq_open(),...) or System V (i.e. msgget(),...) message queues, it is not possible. Message queues are an an IPC mechanism. This means that they facilitate communication between processes on the same machine.
To communicate between machines you will need to use sockets (i.e. TCP/IP, UDP/IP) or remote procedure calls (RPC).
Brudnakm.