Hello.. To All

i'm doing a one marketing project in which right now i am at ADD TO
CONTACT Module.In this module i going to develope one page which allow client to save our dealer's contact to his mail-box
(yahoo,gmail, rediff..) .
client only provide is ID & Password And Contact info of dealer will generate from Database and Store to his Email
Account...

So How Can i Do This please please HELP Me ....

I have done many search on this topic but no solution found ...
there is good demo of it provide on http://octazen.com/

But Octazen will not tell how the process is going on...

Thanks in Advance To all My Intelligent Members...