That's why it would need to be open source and available for any security researcher to go looking around. The reason I chose Yahoo, was that they have the mar

That's why it would need to be open source and available for any security researcher to go looking around. The reason I chose Yahoo, was that they have the marketing clout and the brand to pull this off. This needs to be something that really replaces email, and kicks in into obscurity. Otherwise it is just another hacker tool used by a minority of privacy conscious geeks like us.