>How can  I as  the Listserv postmaster  here, or by  using the  NAD's on
>OHSTVMA  issue a  global delete  for a  user on  another system  with an
>Internet type  address? The  Node administrator  or postmaster  for that
>system is undefined to Listserv.
 
As a LISTSERV  postmaster, you can issue the command  against any user on
your server. There  is no concept of NAD for  the internet, and therefore
the service is not available for internet sites.
 
  Eric