From: nbecker_at_[hidden]
Date: 2001-04-04 07:11:10
I suggest you look at mailman. It is an excellent piece of software,
widely used, has a great web gui, and written in Python. It doesn't
exactly do what you asked AFAIK, but since it's written in Python I'm
sure you can easily modify this.
http://www.gnu.org/software/mailman/mailman.html