Stop contact form spam, including AI-written messages, without a CAPTCHA. Works with Contact Form 7, WPForms, Elementor and five more form plugins.
Alternatives to MDL Spam Filter
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Filter messages submitted through contact form 7 based on words and/or emails listed as restricted.
DigiNex Spam Guardv1.1.0
Invisible, CAPTCHA-free spam protection for Elementor, Contact Form 7, WPForms, Gravity Forms, Fluent Forms, Forminator, comments and sign-ups.
AccessNow Spam Eaterv3.0.0
Stops form spam without CAPTCHAs, using hidden fields, JavaScript and timing checks. Works with core forms, WooCommerce and popular form plugins.
Intelligent spam protection for WordPress forms, comments, and reviews. No CAPTCHA needed. Works with WPForms, Contact Form 7, WooCommerce, and more.
Stops spam in comments, registration, WooCommerce and contact forms. No CAPTCHA, no external services. Formerly WP Spam Protecter. Free.
Self-contained email validation and spam protection for WordPress forms. Syntax + optional mailbox checks, honeypot, rate limiting and CAPTCHA.
Know which Contact Form 7 forms convert, catch spam before it hits your inbox, and fix leaking leads — without leaving WordPress.
Honeypot, signed security tokens, and anti-replay protection for Contact Form 7. Built for performance and full-page cache compatibility.
Keep spam bots and hand-typed sales pitches out of Contact Form 7 (CF7) and Gravity Forms. By default, uncertain messages still reach you.