Plugin Directory

CM E-Mail Registration Blacklist

Block users using blacklists domain from registering to your WordPress site.

This plugin will check if a user trying to register to your WordPress site is using an email from a domain which is defined in blacklists taken from SpamAssassin free domains list (freemail_domains.cf). The plugin stop users using blacklisted domains from registering to your WordPress site, helping to avoid unwanted spammers, viruses and Malware.

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  • Beta - Control users in your beta release.
  • Members Only - Restrict site registration from specific domains
  • Control - Control sites users domains
  • Spam - Prevent spam users from registration


  • Use a list of free email domains downloaded from SpamAssassin
  • Use user defined own whitelist
  • Admin can edit domain list
  • Admin can define which combination of the above methods to use
  • Manually update domain list from spamassassin

Pro Version

In the Pro version we have added several methods to detect whether a domain is blacklisted in real time, which means that hackers and spammers will NEVER be able to register to harm your website in any way! This is done using the following detectors:

  • Using [DNSBL online service]
  • Using Blacklists and whitelists defined by the site administrator
  • Log of denied registrations
  • Manually add domains to blacklist
  • Define aditional errors message to show to users trying to register
  • Allow only Whitelisted domains to register

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Requires: 3.9 or higher
Compatible up to: 4.2.2
Last Updated: 2015-5-4
Active Installs: 200+


5 out of 5 stars


0 of 1 support threads in the last two months have been resolved.

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