We have someone or someones who keep filling out our forms over and over with bogus (but working) email addresses. They keep altering the domain with subdomains so that I feel like I play whack-a-mole every morning adding 3 or 4 new "domains" to the block list. I would like a way include all subdomains they might create, much like you would use an asterisk as a wildcard. Examples of the email addresses we are receiving: students.postermaking.in gema.postermaking.in, gemakid.com, paintingolympics.gemakid.com, schools.postermakingcontest.com, postermakingcontest.com, schools.postermaking.in, competition.postermaking.in, contest.postermaking.in, postermaking.in,
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