Block unwanted email registrations on your site with this email blacklist plugin. Protect your site by preventing spam sign-ups.
Alternatives to User Domain Whitelist
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.
Restrict WordPress user registration to allowed email domains, block spam signups, and secure WooCommerce, LearnDash, and form registrations.
Enhance Elementor Pro Forms with advanced email filtering capabilities including global blocklists/whitelist and per-form controls.
Modern role editor, multiple roles, content control and smart role rules for WordPress.
Let several WordPress users register and safely share one email address, with limits, exclusions, logs, and registration integrations.
Control which email domains may be used to register on your site and to change an existing account's email address.
Customize new user registration emails sent by WordPress.
Restrict outgoing emails to a whitelist and log every message. Non-whitelisted recipients are replaced with a fallback address. Ideal for dev/staging.
Easily set up email blocklists and mx checking to reduce bounce rates and unwanted signups, reducing email volume and protecting sender reputation.