Frederic, there is no way to restrict the membership of the mailing list to a specific group of people without my having to correspond with each applicant individually before approving their subscription, and I really don't have the time for that. I can unsubscribe, ban, or moderate troublemakers, although I have never yet had to do so. Most realized they were unwelcome and left on their own. - Brian On Wed, Sep 06, 2017 at 11:00:26AM -0400, Fredric Moses wrote: