On Mon, 29 Jun 1992 20:20:20 MSZ Joerg Rade said:
>this is probably a FAQ, but is it possible to filter out
>unsubscribe messages (i.e. prevent them from beeing sent
>to the list)?
 
LISTSERV tries to do some of this but it is not always easy.  Eric has
investigated this problem thoroughly and has come to the conclusion that
it is not 100% possible.
 
Educating users is the best method of attacking this problem.
 
Jim...