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Ultra mailer key6/14/2023 If you're open to using a hosted service, you check out a solution like WuFoo (or see this blog post for more ideas). ReCaptcha then uses information you submit using your private key to assure that anyone who submits the form did so based on the image on your website without writing a super-simply script to abuse the form. ReCaptcha will provide you with a private key that you keep secure in your code, and a public key that would show in the source code of the website. If you're looking for the easiest implementation, I'd recommend ReCaptcha or a hosted form serviceįor ReCaptcha, there are classes available for most popular programming languages, and it's used really widely. With a quick glance at the form's source code will reveal that a potential abuser would just need to add a new field "is-it-spam=no" to their code. While a simple "Is it a spam" question will prevent a generic bot from using the form, it will be trivially easy to create a script to abuse the form.
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