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  4. MailCheck.ai
MailCheck.ai icon

MailCheck.ai

Prevent disposable email addresses from registering or commenting on your site with MailCheck.ai.

By tompec·Security·Free
5(4 reviews)
·60 active installs·Updated 1 year ago
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As of April 2026, MailCheck.ai is a WordPress security plugin with 60 active installations and a 5/5 rating from 4 reviews. It has been downloaded 5.0K+ times in total. Requires WordPress 5.2+ and PHP 7.2+. Available on WordPress.org since 2017. Last updated 1 year ago — may have compatibility concerns. Top alternative: Wordfence Security – Firewall, Malware….

5/54 reviews
60active installs
5.0K+total downloads
9 yearssince 2017

Overview

MailCheck.ai is now UserCheck.com

Please install the new version of this plugin.

MailCheck.ai is a powerful WordPress plugin that prevents disposable or throwaway email addresses from registering or commenting on your site. This helps to protect your site from spam and maintain the quality of your user base.

Key Features

  • Automatically checks email addresses against a constantly updated database of disposable email domains
  • Works out of the box with no configuration required
  • No API key needed
  • Caches results for improved performance
  • Seamlessly integrates with WordPress registration and comment forms

The plugin uses the API provided by MailCheck.ai, which is constantly updated to include the latest disposable email domains. This ensures your site stays protected against new disposable email…

Read full description on WordPress.org

Ratings & Reviews

54 reviews
5 ★
4
4 ★
0
3 ★
0
2 ★
0
1 ★
0

Compatibility

WordPress5.2+ requiredTested up to 6.6.5
PHP7.2+ required

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Frequently Asked Questions

Changelog

1.2.6

  • Update the API endpoint
View full changelog on WordPress.org

Contributors

tompectompec
Plugin Info
Version
1.3.0
Last Updated
Aug 27, 2024
WP Requires
5.2+
Tested Up To
6.6.5
PHP Requires
7.2+
Active Installs
60
Downloads
5.0K+
Added
Apr 7, 2017
Business
Free

Tags

securityspam preventiondisposable emailemail validationuser registration

Developer

T
tompec
1 plugins0.0M+ total installs
View all plugins →

Quick Compare

MailCheck.ai vs Wordfence Security – Firewall, Malware…→MailCheck.ai vs Hostinger Tools→MailCheck.ai vs Really Simple Security – Simple and…→

Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.