How to Implement reCAPTCHA v2 in Your Email Sign-up Forms?
Implementing reCAPTCHA v2 in your email sign-up forms is relatively straightforward:
Sign up for reCAPTCHA v2 on the Google reCAPTCHA website. Obtain your site key and secret key. Integrate the reCAPTCHA widget into your sign-up form using the provided HTML and JavaScript code. Verify the user's response on your server using the secret key.
Many email marketing platforms and website builders offer built-in integrations with reCAPTCHA, making the process even simpler.