On Mon, 11 Jan 1993 12:18:37 PST john riehl <RIEHL@USCVM> said:
 
>1. Who can serve the user on?
 
If you (not LISTSERV) served him off, only a postmaster can serve him on.
 
>2. How can I absolutely prevent the user from being served on?
 
SERVE OFF should do it, but mind the case.
 
  Eric