"LISTSERV site administrators' forum" <[log in to unmask]> 
wrote on 03/08/2006 11:45:06 AM:

> Is there a configuration setting in Listserv that will prevent
> subscribers from selecting "reply-all" in their mail client and
> responding to everyone on the list?

No.

You have no control over who someone sends an email to.  There is nothing 
to stop them from adding any address they want, even 
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