If the billing and shipping addresses are different on an order, we email the customer to tell them we can only ship to the billing address or to their job. If they do not respond within a weeks' time, we cancel and refund the order. Our chargebacks have gone way down since then. We still lose perfectly good orders sometimes. We also try calling the customer to ask them to verify that they placed the order. We also give them the option to email or fax a copy of their credit card front and back to help verify its their credit card. (No one has done this one yet) Or, we will cancel and refund the order and have them replace the order as a paypal transaction- not credit card. Have a question on fraud filters. We just started using Paypal as our payment gateway. I'm not sure what fraud filters to use. We started with the fraud filters set so high that every order was red-flagged. We set them lower, but we're not sure what the optimal settings for fraud filters are. Any help on this would be appreciated. Thank you!
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