[Plugin: WordPress Form Manager] Spam

Have you added a reCAPTCHA element to your form? This should prevent spam.

https://www.campbellhoffman.com/form-manager-faq/#what-is-recaptcha

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Klint

For design reasons, I removed the CAPTCHA from a registration form, replacing it with a simple required checkbox “Ready to submit”. A few hours later, a bot from Russia got through the form without that required checkbox being checked. So, I guess I’m back to using CAPTCHA.