How do i find someones personal information by putting in their email address?

in other words reverse email search that is free because i am searching for a old friend
How do i find someones personal information by putting in their email address?
Well, I'm thinking you are not being truthful. If you want to reunite with someone whose e-mail address you already know, why not e-mail him?
Reply:`errr i don't know but if hes realy an old friend and you were at school about 20 year ago try friends re-united