I thought about this as well but decided to drop the idea, because I wasn't interested enough in email to learn about the underlying technologies.

You beat me to thinking of the idea and not doing it first! I had only been thinking about this for the prior week.

You know, you could both still do it. Or you could just build on the work that's been done for you. Looks like nobody's committed for nearly a year.

Edit: http://mobisocial.stanford.edu/news/2011/07/build-stuff-with...