What is the price range you are looking for? I might can work something out with you.
We were using Groupspaces to host a small non-profit expat club discussion list. (ciwcro.com) They just reduced their free account from 250 members to 50 members on the discussion lists. We have about 70 members, with very little expected growth. We are looking for Mailman hosting with enough "bulk mail" allowance for the list to send maybe 1O emails to each the list a day usually it is only 2 or three. I would think 1000 emails a day would usually suffice.
We only want Mailman hosting for a subdomain, e.g. list.ciwcro.com. Our current web host is very restrictive on the number of emails allowed.
^Originally looking for free, so I would imagine a very small ammount.
I know that there is a script to manage email lists in the Script Installer and also a fair amount of email lists with HostingMy.net, if that would work
You can use the coupon code freewebspacenet to get 90% off your first month, so you can try it for the month extremely cheap.
Opening soon WP Like!