Not only will this method drive off scammers, it should pay off big if it turns out you're corresponding with a REAL Nigerian prince.
http://www.windsorstar.com/Leamington+loses+Nigerian+scam...
John Rempel of Leamington, Ontario lost a reported sum of $150,000 on a Nigerian email scam in which he believed he was going to receive $12.8 million dollars due him from the death of a wealthy relative in the UK. Rempel was apparently strung a long for a year and made countless payments, borrowing money from friends, relatives, and his parents before realizing he had been had. Now, jobless, penniless, friendless, and inheritance-less, he's kind of majorly bummed out…