CM Email Registration Blacklist and Whitelist


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 gives you greater control over who can access your site’s and community content.

Email Blacklist and Anti-Spam plugin Premium Editions

The Email Blacklist and Anti-Spam Plugin Premium editions includes even more powerful features, such as: support for contact forms and WordPress comments, white list and blacklist features work across domains and emails, domain and email testing tool and much more.

Email Blacklist and Anti-Spam plugin Introduction Video

How to Use the Email Blacklist Feature of the Plugin

  • Closed Beta – Control users in your beta site release
  • Members Only – Add suspicious domains to the blacklist and block their users from registrating
  • Spam blocker – Prevent spam users from registering

Basic WordPress Blacklist Plugin Features

  • Free Domain List from SpamAssassin
  • Support a domain whitelist plugin feature
  • Support an email blacklist plugin feature
  • Admin can edit front-end labels and messages
  • Includes domain tester

Pro versjon

Pro Version Detailed Features List

  • Support DNSBL online service
  • Support domain blacklist and whitelist features
  • Support email blacklist and whitelist features
  • Access to failed registration log
  • Additional errors messages to show to users trying to register
  • Support importing list of emails from CSV
  • Includes domain & email tester
  • Special Gmail support
  • Control who is allowed to comment
  • Contact Form 7 integration

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  • Login screen showing registration error message
  • Blacklist WordPress Plugin labels settings
  • Free domains list and update option
  • User whitelist
  • Blacklist WordPress Plugin General option
  • Domain tester


  1. Upload the plugin folder to the /wp-content/plugins/ directory
  2. Aktiver utvidelsen via «Utvidelser»-menyen i WordPress
  3. Manage your CM Email Blacklist from Left Side Admin Menu

Note: You must have a call to wp_head() in your template in order for the JS plugin files to work properly. If your theme does not support this you will need to link to these files manually in your theme (not recommended).
PHP Version: Plugin uses a structure which was introduced only with PHP 5.3.0. So if the version of PHP is lower Plugin does not work


15. november, 2022
Used to block spam registrations from known domains – if you read the instructions carefully it works beautifully.
2. august, 2019
I sent an email asking to modify the plugin to be compatible with my registration form and the team, really very responsive, did it in a few days. Then I uploaded a file with more than 22000 disposable email domains to block them in my users registration page. The plugins works perfectly without slowing down the registration process.
4. august, 2017
The most people are using free emails like aol gmail freenet gmx and so, why to forbid them. And spammer users are using or so. There is no blacklist for them. I really don’t understand the sinn of this plugin
20. juli, 2017
This plugin works as expected; killed all spammers and false/disposable emails addresses which is what I needed for years! No more spammers – wonderful!
7. februar, 2017
We are sorry, but you need to have at least PHP 5.3 to run this plugin (currently installed version: 5.2.17) – please upgrade or contact your system administrator.
Les alle 8 vurderinger

Bidragsytere og utviklere

“CM Email Registration Blacklist and Whitelist” er programvare med åpen kildekode. Følgende personer har bidratt til denne utvidelsen.




Release Date: 21 May 2024
* Implemented nonce field in forms


Release Date: 18 May 2024
* Fixed security issues


Release Date: 14th February 2024
* Integrated with CM Custom User Registration and Login Form


Release Date: 22nd December 2023
* Update package info


Release Date: 28th Mar 2023
* Bugfix related to saving email blacklist


Release Date: 21st Mar 2023
* Update package info


Release Date: 9th Nov 2022
* Replace Internal support links

View Release Notes in Plugin Site