Verify user emails with a secure OTP code to block bots and fake leads. Uses your own SMTP—no API fees, no subscriptions.
Alternatives to Spam Prevention for Contact Form 7 and Comments
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Spam and bot protection for Contact Form 7 forms with honeypot and rate limiting.
Math CAPTCHA for CF7, WPForms, and any HTML form. Zero config — install, add shortcode or use auto inject from settings.
Protect Contact Form 7 and optionally WordPress comments with privacy-friendly anti-spam protection.
Block spam on Contact Form 7, WPForms & comments. No API key. GDPR compliant. Free for commercial use. No configuration needed.
Lightweight anti-spam protection for Contact Form 7 without CAPTCHA. More details: https://gregbialowas.com/anti-spam-cf7
Stop Contact Form 7 spam with honeypot protection, automatic IP blocking, duplicate submission prevention, disposable email filtering, rate limiting, …
Standalone spam protection for Contact Form 7 with local checks, honeypots, runtime signals and logs. No external captcha.
SilentShield – the invisible shield against spam. Spam is the weed of the internet. It clogs your forms, steals your time, and corrupts your data.
Anti-spam protection for forms, signups, and comments using advanced honeypot techniques. No CAPTCHAs, no user friction.