Blocks registrations, WooCommerce checkouts, and comments that use disposable (throwaway) email addresses, with custom block and allow lists.
Alternatives to Stackedboost Signup Guard – Block Disposable Emails on Registration and Comments
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.
Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
Block disposable/throwaway email addresses across registration, comments, and the major contact and commerce form plugins.
Detect and block temporary emails from registering on your website using the Temp Mail Detector plugin.
Refuses sign-ups with an email address that cannot receive emails or is disposable, and flags WooCommerce orders whose email has the same problem.
Block disposable, burner, and temp-mail addresses on WordPress and WooCommerce sign-ups, comments, checkout, and any custom form. Works fully offline.
Email Blocklistv1.2.10
Keep your WordPress site clean by blocking signups and comments from temporary or disposable email domains. 100% free, no paid APIs.
BounceLens Email Checkv1.0.0
Stops fake, mistyped and throwaway email addresses in registration, comment, WooCommerce and contact forms. No account, no API key.
Block disposable email, temporary email and fake or mistyped addresses at WooCommerce checkout, before the order is placed.
Tempmailsv1.0.7
White-label temporary email platform. Let visitors generate disposable inboxes on your site — powered by your own IMAP server.