On Sun, 19 Nov 2000 11:25:07 -0500 Ken Kyler ken@kyler.com wrote:

Is it safe to assume the reverse will be true? That whole domains can be prohibited from posting?

You can write mailman filters that will hold such posts for moderation, but Malman does not have the ability to ignore such. That said, this is likely trivial to do at either the MTA level, or as a pre-filter before the Mailman scripts: Just check the envelope and don't apss it through if it doesn't match.