New User Registration Configuration

[Petormin]

So I am at the point of banging my head against the wall. What I am trying to figure out is when a new user registers is there a way to require them to enter a message that gets sent along with the email notification or even just in the registration itself. It would make it alot easier to distinguish between the "Human Spam Bots" and actual people trying to register that i end up just deleteing (Example *Please enter a short message [Hey its billybob stop deleting my account im not a bot.]