I’ve also years ago registered with donotcall.gov, don’t know if it still exists nevertheless it did help. If these companies then tried to compensate for the shed technological info by using intense e-mail information filtering, the Threat of accidentally filtering serious e-mails (Untrue positives) would increase enormously. This website is https://keeperweb.com/avoiding-fraudulent-betting-sites-through-reliable-verification-services/