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 All In One Form Verification
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.
🚀 Transform Your Email Quality with Real-Time Validation Tired of fake emails, spam signups, and invalid customers? Unelma Email Verification with S …
Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
ZBounce Email Validatorv1.2.6
Check form email addresses with the ZBounce service. Requires purchased verification credits and an API key from zbounce.net.
Truelist Email Validatorv1.0.0
Validate email addresses in real-time on WordPress forms using the Truelist API. Block invalid, disposable, and role-based emails.
Mail7 Email Validationv1.0.0
Real-time email validation for registration, comments and forms via the Mail7 API. Blocks fake addresses - and never blocks one it cannot verify.
OTP (One Time Password) Email Verification for Gravity Forms. Verify or authenticate your users. It’s also great way to avoid spam.
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.
Refuses sign-ups with an email address that cannot receive emails or is disposable, and flags WooCommerce orders whose email has the same problem.
SMTPing Email Verifierv1.6.0
Email verification for WordPress forms and every email your site sends. Block invalid, disposable and spamtrap addresses.