Anti Spam and list cleaner – AcyChecker

AcyChecker is a mailing list cleaning service (email checker) created by the AcyMailing (a WordPress newsletter plugin) team.

This email checker allows you to improve the deliverability of your emails, to reduce your costs or to keep a good reputation by using its WordPress (or Joomla) plugin or its API.

This email checker allows the verification of emails at different levels:

• Domain and SMTP check
• Role email checker
• Disposable email checker
• Free provider
• Email format checker
• In-depth tests

Why should you clean up your mailing list with an email checker?

1 – Improve deliverability
2 – Have a good reputation
3 – Reduce your costs
4 – Improve your open rates
5 – Avoid bounces

There are 3 ways to install this plugin:

1. First solution

1. In your Admin click on your Plugin then “Add New”
2. Search for AcyChecker
3. Find it, install it, enable it
4. You’re done!

2. Second way

1. Download the ZIP from this page
2. On the admin part of your site, click on “Plugins” then “Add New”
3. Click on “Upload Plugin”
4. Upload the ZIP, enable the plugin
5. You’re done!

3. Third way

1. Download the ZIP from this page then unzip it
2. Upload the “AcyChecker” folder previously contained in the zip file via FTP on your site, under wp-content / plugins /
3. Enable the extension on the admin part of your site
4. You’re done!1. In your Admin click on your Plugin then “Add New”
5. Search for AcyChecker
6. Find it, install it, enable it
7. You’re done!

1. 

   Statistics

2. 

   Test results

3. 

   Tested users over time

4. 

   Bulk testing

5. 

   Secure registrations

6. 

   Highly customizable

1.8.1 – March 12, 2026

• The testing of more than 1000 email addresses at a time has been fixed for the latest version of our API.
• Collation issues have been fixed for databases using older character sets.

See the whole changelog here.