There could be a lot of alternatives to stop spam, but when one of them became popular and all the people use them, spammer inmmediatly hack it. The solution can be simple, but must be unique for your site.
I've implemented a really simple hack in a customer phpbbforum that had registered around 300 bots and now we are free of spam
I've implemented a really simple hack in a customer phpbbforum that had registered around 300 bots and now we are free of spam
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