Is this Legal through Email?

[Account Closed]

OK, I am good at doing referrals, finding, and birddogging for buyers and sellers and get paid that amount that they pay you for your help, but this bugs me, i had a friend(not a lawyer) tell me that it is legally binding between you and a buyer or seller if you offer you "finder" services and tell them in the email "If you agree and send a message that says Yes then that will our legally binding agreement that you will pay me if I find you a property and you buy or help sell your property and it sells to my buyer". Now, what I need to know is if you say all this and send back a message that says yes, is that legally binding?

I want to make sure that it is true or false before I call him an idiot or tell him thanks for the idea lol.