On Thu, 18 Jan 2001 10:55:28 -0600, Chris Barnes <[log in to unmask]> wrote:

>In my situation, I have a class-full of students all signing up
>for the list (a class-oriented list) at the same time.  The list is set to
>Subscribe By Owner because in the past we have had non-students subscribe to
>list (don't ask me why they would want to). 

If you have a class list, why not simply do a bulk-add of the registered
students.  Then Subscription= By_Owner will 'trap' any other requests that might
happen to come along.  Of course every school will probably have a somewhat
different way of approaching this regular, periodic challenge.