This is the biggest issue for me --- project hosting is easy, mailing lists are not. Particularly, migrating people to the new list is going to be hard. I've be

This is the biggest issue for me --- project hosting is easy, mailing lists are not. Particularly, migrating people to the new list is going to be hard. I've been looking at Google Groups but it doesn't seem to support import, although it does support a nice web interface (good for people who expect forums). Does anyone have any recommendations?