ACK,
I so now what your talking about,. I got one last week. and I really hate it, cause your right you have to make a list of all the people it could possinle be, but then they send out the same little email you just got to all those people who u have on your list. It will give you hints for each email address u come up with. If you guess it, you have the option to accept or deny. I hope that helps but to get any of the options u have to keep putting in email addresses, and then it doesn't even tell you right away. My goofball friend had sent me one, cause they know stuff like that drives me just insane, lol. Anyway, when I actually put in the right address, it yanks your chain for a bit then eventually tells you the real deal. Phew, that was alot, lol, sorry for so much writng. But thats what that site is, hope that helped.
DGPhoney~