Where is the mailing list, and how can I subscribe?

General

Why should I use Geronimo instead of another-appServer?

The aim of the project is to produce a large and healthy community of J2EE developers tasked with the development of an open source, certified J2EE server, that is ASF licensed and passes Sun's TCK reusing the best ASF/BSD licensed code available today and adding new code to complete the J2EE stack.