CM E-Mail Blacklist – Simple email filtering for safer registration
Block unwanted email registrations on your site with this email blacklist plugin. Protect your site by preventing spam sign-ups.
4.5(8 reviews)
·800 active installs·Updated 2 months agoAs of April 2026, CM E-Mail Blacklist is a WordPress spam plugin with 800 active installations and a 4.5/5 rating from 8 reviews. It has been downloaded 45K+ times in total. Requires WordPress 5.4.0+ and PHP 5.2.4+. Available on WordPress.org since 2013. Recently updated within the last 3 months. Top alternative: Akismet Anti-spam: Spam Protection.
4.5/58 reviews
800active installs
45K+total downloads
13 yearssince 2013
Overview
Pro Plugin Page | Videos | User Guide
Safeguard your WordPress site from unauthorized registrations and spammers by implementing personalized rules for blacklisting and whitelisting with our WordPress blacklist plugin solution.
This plugin allows you to block or allow users to enter your website based on specific criteria. With customizable domain, IP and email blacklists you can prevent users from registering.
Conversely, thanks to the whitelist feature of our WordPress plugin, you can ensure that only users with approved email domains, usernames, or IP addresses can register.
Enhance WordPress Site Security
Our blacklist plugin enables you to increase the security of your WordPress site and prevent spam registrations from fake or malicious users.
Additionally, this feature-packed tool g…
Screenshots
Ratings & Reviews
4.58 reviews
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Compatibility
| WordPress | 5.4.0+ requiredTested up to 6.9.4 |
| PHP | 5.2.4+ required |
Top Alternatives to CM E-Mail Blacklist – Simple email…
Frequently Asked Questions
Changelog
1.6.4
Release Date: 19 Jan 2026
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Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.