So many email sites exist and with the fighting of spam and everything, its honestly not even worth the project effort, because plenty plenty plenty other sites are available to deal with the hassle. Focus more on returning trusted sites rather then email development and spam headaches.
Finally, this is not a project we wish to work on for the moment.
We're a lot more interested in enhancing the search engine, enhancing the favorites' management, and some other gadgets we could propose to you like those you can download here http://www.exalead.com/search/?definition=gadgetsPage.
Only there would be sufficient (for the present time) a free email service: examail
José Reyna