Will need an import email functionallity that let's our user invite theyr friends to the service. Basicly user will need to click on the page you create, and over the api you will get access to their email contacts and will save them into mysql database.
Please make bid for following email providers: Gmail, Yahoo, GMX, Outlook, Thunderbird. After that we will move to more ones.
Dear Sir,
We would love to get this opportunity of working with you. We can guarantee complete satisfaction if you select us to execute this project.
Regards
NetzPro