Hello,
We are building a Free email platform for enterprises which would offer 15 GB space per mailbox. Using our product can create unlimited emails(@yourdomain.com) for Free.
Here is the link to the same: http://mailtroop.com
At present, the signup is invite only. You can check with your friends who are using Mailtroop to send you an invite code or you can apply for invitation on the website itself.
Comments, suggestions, bug reports and feature requests are welcome.
Cheers!