I am [http://bullwinkle.toonzone.net/fearlessleader.htm Fearless Leader] of the [http://thecsl.org/ Community Software Lab]

I am contributing to HostingControlPanels page to be sure that writing our own control panel is a good idea. I believe existing control panels are broad but not deep. Easily 80% of the time our users need only to add/remove/edit email accounts and aliases.

As nearly as I can tell there are no control panels that make that it super easy to learn and do these simple tasks.