Validate emails in one click


Our plugin will be useful to those who are working every day to increase conversion in email mailings and want to decrease bounce rate or accept only real users of all submissions. We will also be useful to those who want to know who is behind that email.

We created plugin that gives the most accurate data, reachable leads, we will accept those users who have submitted the valid emails through any type of forms.

At the moment we integrate with:
* WP-forms
* Contact Form 7
* WooCommerce

You can install and use the plugin by adding an API key, generated from the account free account.
We aimed to help and make sure you have accurate list of the real users
mailcheck feel free to request more integration if needed or contact our support team.
If you are looking for more detailed information of how to better use the plugin, feel free to check our blog.

Snimke zaslona

  • Settings - Simple, easy to setup integration. Just add your Mailcheck API key and choose which types of emails to accept.
  • Result of validation in ACF plugin
  • Result of validation in Contact 7 plugin
  • Result of validation in WooCommerce


Search for the Mailcheck plugin via the Plugins section of your WordPress dashboard.
Install and activate the plugin.

Go to the Settings page and copy/paste the API key from this page of your MailCheck account. It’s required to go through the procedure once.

1. Upload mailcheck-wordpress folder to the /wp-content/plugins/ directory
2. Activate the plugin through the ‘Plugins’ menu in WordPress


How does the validation work?

You paste your Mailcheck API in the settings page which allows the plugin to link to our servers and validate the email address added in the form.

Where to get an API key?

You can verify 10 emails for free

Where do you get the data for verification?

We supply the data from public sources, system search, social networks, and open databases available online.

How to generate API key?

Register at then follow to create a key, copy it and paste inside your plugin settings section


Nema recenzija za ovaj dodatak.

Suradnici i Programeri

“ Validate emails in one click” is open source software. The following people have contributed to this plugin.


Dnevnik promjena


Updated compatibility and assets


Added WooCommerce and Contact 7 plugin integrations
Added CI/CD for WP catalog autoupdate


Initial version release.