Develop an (Invite Tool) that imports emails from Yahoo, Gmail, Hotmail, & AOL

Hi, I have a local classifieds website, and I would like to add an (Invite your friends tool). I want this tool to allow the user to enter his email and password for the following ISPs (yahoo, Hotmail, Aol, & Gmail). I want the user to be able to choose which email account contacts he want to import, put in the email and password, and then get a list of all the emails & names. The user should be able to select which emails he want to send out. Once the user clicks (send invitations), I want the emails to be sent from his actual email address. The actual email that will be sent should be an html template that I can change. The user interface should be light, basic, and AJAX. There are two more requirements that I want to add to this. Please bid if you have done this before, don't waste my time. I will only pay after you get the development done. I want to be able to install this tool in my current website, and in future websites. Regards,