are you passing the cvm on the mc/visa charges? is that stopping them?
Yes, I'm doing CVM (or whatever) and AVS on all orders. Where CVM passes, I accept anything but a NN match on AVS. If CVM is blank, I accept only YY on AVS. So far only one fake Amex order has gone through. This may be as good as I can get it without resorting to user accounts, etc.
- Brian
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