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