SMTPing Email Verifierv1.6.0
Email verification for WordPress forms and every email your site sends. Block invalid, disposable and spamtrap addresses.
Alternatives to RadarAddress – Fake and Mistyped Email Check, Address Verification for Gravity Forms
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.
Block disposable, burner, and temp-mail addresses on WordPress and WooCommerce sign-ups, comments, checkout, and any custom form. Works fully offline.
Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
Blocks registrations, WooCommerce checkouts, and comments that use disposable (throwaway) email addresses, with custom block and allow lists.
DeBounce Email Validatorv5.8.9
Real-time email validation for WordPress forms. Block invalid, disposable, and risky emails to keep your database clean and improve deliverability.
Detect and block temporary emails from registering on your website using the Temp Mail Detector plugin.
Blocks spam on Gravity Forms by checking every submitted email domain's registration age via RDAP; recently-registered domains are blocked.
Production-grade multi-layer real-time email defense, disposable domain filtration, live DNS MX verification, and typo correction for Fluent Forms.
FixBounce Email Verifierv1.0.0
Block fake, disposable, and non-existent emails via SMTP verification. 5 free verifications/day, no signup needed.
Stop fake, disposable and mistyped email addresses and invalid phone numbers on Contact Form 7, WPForms, Gravity Forms and WordPress registration.