LISTSERV does  just that, except it  executes anything it finds  before a
"bad"  command  (but  then  simulates  an EOF  after  printing  an  error
message). Thus if you have "random junk" at the end of your message which
you don't know how  to remove because you're just a  poor end-user who is
happy to have  learnt the difference between the LOG  OUT PFkeys and your
terminal's power on  switch, you can still execute  LISTSERV commands but
it will stop at the first error, to avoid executing potentially dangerous
commands. Most mail  systems that support .sig files print  out some type
of separator before the  .sig data, usually dashes or =  signs or + signs
or something  similar, so LISTSERV will  just stop on this  harmless line
and not execute anything else. Of course  PROFS puts junk also at the top
of the  message and this means  you can't execute anything  unless you're
careful to rub the  junk out, but at least PROFS shows  you the lines and
lets you type over them (unlike a .sig file which is added afterwards and
which you might have forgotten about).
 
  Eric