Mailster reCaptcha adds Google reCAPTCHA spam protection to Mailster newsletter subscription forms. It uses reCAPTCHA v3, so visitors get a low-friction check instead of a checkbox challenge, while failed verifications are blocked on the server before a signup is accepted. Use it when bot signups, fake subscribers, or newsletter form spam are polluting your Mailster lists. This plugin requires Mailster 4.0 or newer and free Google reCAPTCHA site and secret keys. Form submissions send a reCAPTCHA response token to Google for verification. Why use Google reCAPTCHA with Mailster? Stop newsletter...
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