I don't know how it's actually done, but we use Kount and have a lot of different rules set up within it. I know protonmail accounts get crazy high danger rati

I don't know how it's actually done, but we use Kount and have a lot of different rules set up within it. I know protonmail accounts get crazy high danger ratings based on our settings. They've got all kinds of levers within the platform based on your risk tolerance.