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Hello everyone, despite having inserted in my chrono form the mandatory fields and the captcha continue to arrive spam emails. Below is one of them:Nome claudineke60
E-mail joanne@hiraku91.gull-minnow.top
Messaggio Updated contrive page: http://dolores.go.telrock.net
Submitted by 199.195.250.77

Here are the links of the forms that generate the spam:

https://www.biosanisystem.it/index.php?option=com_chronoforms&chronoform=contatti

Can you give me a hand? Thank you

It's not magic, it can only stop automated submissions. If a person goes and fills the captcha in correctly there's no way to stop it.

I know this is somewhat late, but the issue here is not only ReCaptur but also that validation in Chronoforms is usually client side, and spammers automated tools avoid that.
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So what is needed is server-side php that uses regular expressions to search for URLs in fields and reject the email if they are found.
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However the FAQ https://www.chronoengine.com/faqs/63-cfv4/cfv4-working-with-form-data/2594-how-can-i-use-the-form-data-with-php.html is pretty sketchy about how to use pre-email php to validate form data server-side.