This is my second failure today! I sent a message to Frank Rodriquez at: [log in to unmask] and this returned to me, RE Message ID: 44018150804991/569658@DALLAS Generated by node: SIGMA Attempted delivery to: Route : @UOKNOR.EDU.PMDF <-- Userid : cls Arrival date : 5-AUG-1994 18:10 This delivery failed. Failure reason was "unable to transfer". Diagnostic was "unrecognised recipient name". Will someone please explain the problem Gary.Eastty.SIL.ORG