Many BITNET sites have  a local NJE network, where the  nodeids can be as
original as '4381' and 'VAX1'. When they join BITNET, they are assigned a
BITNET nodeid and may or may not  retain an alternate RSCS with their old
local name, in  order to avoid breaking things in  their local network. A
BITNET node can thus have two names, one of which is purely local, and if
you set up LISTSERV  the wrong way it will talk  from the "local" nodeid,
which cannot be  replied to. There is  nothing to do about  it, just wait
until they find out about their mistake and correct it.
 
  Eric