While I've not had those types of scams sent to me from my ads here on KS, I have received them from time to time from various other accounts I have such as Ebay.
Obviously, these are scams not all that different than the old Nigerian scam emails everyone used to get years ago. This scam is, you get this money order, cash it at your bank, then give these people the goods and the "leftover" cash from the money order. The thing is, the money order is bogus and takes a certain amount of time for the bank to verify that it is in fact bogus. On good faith, the bank will issue you the money but once the money order is found out to be bogus, the bank will consider the amount you withdrew on that money order as money now owed to the bank regardless of the money order's authenticity or not. So then you will be out your merchandise as well as the cash you gave to the scammers.
Your best bet is to not only ignore the email but to report it (or forward it) to the proper authorities so that these scammers will get busted as there are people out there that do fall victim to such scams.
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Troy Rexroth
Rextiles
