Ever had a fraudster forget they scammed you and try again later?
Last year I had somebody sign up to my site and they logged in a bunch of times, then they issued a chargeback and claimed fraud. We blacklisted their e-mail, IP, and cards used. Now one year later they are trying to sign up to my site again but because of the blacklist they are getting declined. Funny thing is they even sent an email asking if my site still worked because their cards (6 different ones used) keep getting declined. The situation makes me laugh a bit. Now deciding whether to respond to their email saying why we won't accept their transactions or to just ignore it.
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