Typos like gmial.com corrected, fake and disposable emails flagged, the Address field completed and verified in every form. Just paste a token.
Alternatives to MDI Spam Sheriff (for GravityForms)
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.
Blocks user registration from invalid, disposable, free, or spammy email domains.
Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
Block specific emails, domains, IPs, countries, and text in Gravity Forms submissions with logging and statistics.
Prevent From Submitting Any Disposable/Temporary Emails On GravityForms Forms.
Block fake, disposable, and non-existent emails via SMTP verification. 5 free verifications/day, no signup needed.
Add-on for Gravity Forms to create a Blacklisting of specific emails or domains for the Email input field to throw a validation error or mark as spam.
Real-time email validation for WordPress forms. Block invalid, disposable, and risky emails to keep your database clean and improve deliverability.
Validate email addresses in real-time on WordPress forms using the Truelist API. Block invalid, disposable, and role-based emails.
Stops fake, mistyped and throwaway email addresses in registration, comment, WooCommerce and contact forms. No account, no API key.