Librelist!

Google Groups is all about helping users connect with people, access information, and communicate effectively over email and on the web. Now theres a new version on the block. We didnt want to say it, but yes, its new and improved.

Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing.

FreeLists provides the internet community with Free, no-hassle, high-quality mailing lists. We don't use advertisements and we don't charge for higher-than-a-certain-volume lists. That means you don't have to worry about too many people signing up, nor the amount of traffic on your list(s). FreeLists is about just getting the message across to your subscribers.

This server provides you access to your environment on mailing list server. Starting from this web page, you can perform subscription options, unsubscription, archives, list management and so on.