CM Email Blacklist (CMRB) - Free Version Guide
Free Version Guide
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Table of Contents
- Initial Plugin Installation
- General Settings
- User Emails
- Free Domains
- Domain Tester
The CM Email Registration Blacklist Plugin enables you to block users whose domains have been blacklisted from registering on your WordPress website. This allows your WordPress site to stay free of spam, malware and viruses.
This user guide will help answer any questions you have about the free version of the plugin. For the pro version, please refer to this guide.
This plugin supports blocking registration by specific emails or domains or allowing only registration from predefined list of emails or domains. When a blocked user tries to register on your website, they will also see a custom notification.
This is an example of what the message can look like when a user tries to register with a blacklisted domain:
Initial Plugin Installation
Here are the steps needed to install the plugin:
1) Download - To manually install the plugin, you must first download it from the WordPress.org to your computer.
Navigate to the Plugins tab on the WordPress Admin Panel to install the plugin:
2) Hover over the Plugins tab and click on Add New.
3) Select Upload from the options shown and find the file you downloaded.
4) Install the plugin.
5) Once the plugin is downloaded it will appear on the Plugins tab for you to activate and use.
6) When you activate the plugin, you will be redirected to the plugin page.
If you would like, you can register your plugin to receive information about updates and our latest offers.
You can complete your registration at any time. If you don’t want to register right away, you can select the Skip button.
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Please visit the System Information tab to make sure that the plugin is fully compatible with your server before continuing.
Select the User Guide option from the menu:
Scroll down to the System Information tab:
This tab will let you know if you need to make any changes to your server or your WordPress installation.
You can download and save this information if you need to submit a support request.
Navigate to Admin Panel → CM E-Mail Registration Blacklist.
To get started, read the initial installation guide and continue to select the General Settings tab:
Here, you will be able to select if you want to white list domains or block domains from the free domains list. The third option lets you block specific user email addresses.
Enable at least one option before selecting the Update button.
You should now receive a notification that your settings have been updated.
The next two tabs are User Email Blacklist and User Whitelist.
Each tab has its own form where you can add one email address at a time.
In the User Whitelist tab, you can choose to limit registration to email addresses from within your own organisation or company. All other email addresses will be rejected.
Once you have a list of entries, you can easily edit or delete them by selecting the corresponding Actions link:
Under the Free Domains tab, you will find a list of over two thousand domains that provide email addresses and that are known for sending spam.
At the top of the page you can see when the list was last updated, and you can check if there are any new updates by selecting the Update Free domain List button:
If you need to check if a domain is on this list, continue to the Domain Tester tab.
This is the tab where you can customize the text that is shown to visitors when they try to register on your website:
The fourth label is only used in the Domain Tester tab, to let you know if a domain is neither blacklisted or whitelisted.
In the Domain Tester tab, you can use the form to type in the domain to see if it is accepted or not.
Enter your domain and select the check button:
If the domain is blacklisted, the result will say INVALID:
If the domain is white listed, the result will say VALID in green text:
We hope that you find this plugin useful, and that you will consider upgrading to the Pro version that has many more useful features. With the Pro version of CM Email Blacklist you can:
- Log all registration attempts
- Import your email and domain lists.
- Enable reCAPTCHA