On Sat, 8 May 1999, Victor Lavrov wrote:
> I have my list(INVENTORS) set to - Subscription:by owner
>
> How can some one from the outside can by-pass this and send a message to the
> list?  When I try to delete the Spammer, I get a message that he's not a
> subscriber.

What do you have your list's "Send" keyword set to? If you have "Send=
Public", then anyone can send messages to the list, even those who are not
subscribed. To secure your list from this possibility, you should consider
coding "Send= Private".