Andy <andyk@no.spam.org> writes:
> I am a list-owner of several popular science discussion lists (about
> meteorites, mineralogy, chemistry, mushrooms, and LexOS project (law open
> source)). The server pengus.net where my lists are hosted is going to be
> decommisioned. Therefore I am looking for a new server for my lists.

Your simplest bet may be to use a Yahoo group.