Below are some recommendations on how to configure your Authorize.net account to help prevent spam.

  1. Hourly Velocity Filter: Enable filter, 50 transactions per hour, decline transaction.
  2. Transaction IP Velocity Filter: Enable filter, 3 transactions per hour, decline transaction.
  3. Enhanced Address Verification Service (AVS) Handling Filter:  Enable filter, decline N & A.
  4. Enhanced Card Code Verification (CCV) Handling Filter: Enable filter, decline N.
  5. Regional IP Address Filter: Enable filter, decline all regions except North America

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