Email and Domain Blacklist Plugin Description
The WordPress Email Registration and Domain Blacklist plugin prevents users from banned domains and banned emails from registering, posting comments or filling up forms on your WordPress site.
This great Anti-spam WordPress tool reduces the noise and restricts posting to users from approved emails and domains. Apply automatic domains lists that are always up-to-date or block them manually.
Protect yourself from spam, malware, virus, disposable emails and unwanted users.
Restrict Site Registrations
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Our domain blacklist plugin makes sure that only authorized users from approved domains or certified emails can register and use your WordPress site. It's easy to avoid unwanted spammers, viruses and malware with one click blacklisting The email and domain blacklist plugin can also work in whitelist mode, which means that only approved domains or lists of emails can register to the site. |
Login Screen Showing Error Message Coming from the Plugin |
Logging Failed Registration Attempts
Error Log Report Showing All Blocked Registrations | This blacklist plugin will automatically check when a user is trying to register/post comment or fill up a form to your WordPress site against your backlist function, or defined records of blacklisted or whitelisted domains. |
Multiple Domain Filtering Options
The email domain blacklist plugin uses several online methods as well as local plugin lists to detect whether a domain is blacklisted in real time. This means that hackers and spammers will find it hard to register and harm your website!
This is achieved using the following banned domains detector online services:
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Free Domains List |
Domain Blacklist
Domain Blacklist |
Add domains to the blacklist to avoid users from unwanted domains. Any email from These specified domains or email lists will be blocked. |
Email Blacklist
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Add specific emails to the blacklist to block certain users. These emails will be not allowed to register, post comments or fill up forms even if their domain is added to the domain whitelist. |
Email Blacklist |
Gmail Variations Support
Example of Blocking Gmail Variations |
Google allows its users to modify the email address by including dots or plus inside the address. This applies to @gmail.com and @googlemail.com accounts. Our plugin supports blocking these email variations by adding to the blacklist just a 'clean' version of the email. |
Domain Whitelist
Add domains to the whitelist to allow emails with certain domains to register post comments or fill up forms on your site.
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It can be useful if you enable DNSBL Domain and Free Domain lists. You can also allow users ONLY with whitelisted email domains. |
Domain Whitelist |
Email Whitelist
Add specific emails to the whitelist to allow them to register post comments or fill up forms on your site.
Email Whitelist | These emails can be used on your site even if the domain they belong to are added to the domain blacklist. You can also allow users ONLY with whitelisted email addresses. |
Restrict Leaving Comments
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Restrict the ability to leave comments for guest users. You can either follow global settings of white/blacklisted domains and emails or define a separate whitelist of allowed domains to filter comments from non-registered users on your website. |
Comments Allowed Domains |
Contact Form 7 Integration
Example of Using Blacklisted Email In the Form |
The plugin supports integration with the plugin Contact Form 7. It allows to filter emails which users enter in the custom form, based on your white and blacklists for domains and emails, including DNSBL and Free Domain Lists. |
Avoiding Spam With The Blacklist Plugin
- Protect Your WordPress Site – Prevent spammers from registering to your site
- Block Spammers – A Great Anti-Spam WordPress plugin that blocks users from suspicious domains
- Blacklist and Whitelist Domains and Emails – Approve registration of specific users from predefined approved emails or domains
- Registration Log Support – Log all failed registration attempts
Email Blacklist Plugin Use Cases
- Limit to Specific Users – Make sure only a defined list of users or domains are able to register or post comments
- Spam Capture – Filter suspicious emails and assure only real users register, post comments or fill up forms to your service
Email Blacklist Plugin Related Use Case
Email Blacklist Additional Resources
Blacklist Plugin-Related Blog Resources
Email Blacklist Frequently Asked Questions
Please check the user guide to learn more about this plugin.
Can I blacklist multiple domains?
Add as few or as many domains to the blacklist as you require.
Can I retract a blacklisted domain?
Yes. Once added to the blacklist, domains are editable at any point in time and can be removed from the list at any point in the future.
Do the blacklisted users receive notification of failed registration?
Can I use the plugin to find out if a domain is blacklisted?
Yes. Simply go to the “Domain Tester” tab, enter the domain name into the search bar and click the “check” button. The plugin will tell you whether the domain is blacklisted, white-listed, listed in the free domains list or not listed at all.
Can I whitelist a domain that has been defined as invalid?
Simply add them to your whitelist or disable the blocking of free email domains.
However, before you do that, make sure that particular domain is indeed safe.
Can I restrict by specific emails and not just domains?
Yes. The plugin also supports using the same methods also blacklisting or whitelisting email addresses.
To learn more about Blacklisting email addresses click here or for whitelisting email addresses click here.
Can I filter comments from guest users?
Yes, you can define the whitelist of domains that are allowed to leave comments on your website as guest users. Click here to learn more.
Will this plugin work with the CM Registration plugin?
Email Blacklist Plugin Image Gallery
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- Domain is not in the whitelist
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- Domain is in the blacklist
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- E-mail is blacklisted
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- Domain is in the Free domains list
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- Domain is in the DNSBL list
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- The domain is not allowed to leave comments
Back-end Gallery
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- Settings – General
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- Settings – User Domain Blacklist
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- Settings – User Domain Whitelist
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- Settings – User Email Blacklist
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- Settings – User Email Whitelist
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- Settings – Free Domains
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- Settings – Labels
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- Settings – Registration Log
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- Settings – Domain & Email Tester
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- Settings – Comments Allowed Domains
Customer Reviews for Email Blacklist
| The Most Robust Solution
CM’s Email Blacklist was the most robust solution out of all of them in the market, so that’s the one I chose. It’s a ‘world of difference’ fewer spammers than we had before installing the plugin. |
| Killed All Spammers
This plugin works as expected; killed all spammers and false/disposable email addresses which is what I needed for years! No more spammers – wonderful!. |
- Works well
Started getting bot registrations so installed to block signups from a specific domain. It works and the list of already blocked domains is very big, all temps emails or spam emails.
- No more spammers – wonderful!
This plugin works as expected; killed all spammers and false/disposable emails addresses which is what I needed for years! No more spammers – wonderful!
- Perfect and easy
Thanks!
- My site is much safer!
The preemptive domain check is a must for any serious registration system. This was the best solution I could find and it works really well
- Perfect plugin to block disposable (but not only) email
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