Another (likely) dumb 1 question with an easy answer. But here goes: One of our subscribers is at leeds.ac.uk, which listsrev accepts, however when he subscribes he comes in as at 'bess.novell.leeds.ac.uk' on which I get an error. Any help? Thansk in advance. Error is below. Wayne [log in to unmask] To: <[log in to unmask]> Subject: Undeliverable Mail WSUVM1.CSC.WSU.EDU unable to deliver following mail to recipient(s): <[log in to unmask]> 550 Host 'BESS.NOVELL.LEEDS.AC.UK' Unknown