Protect your WordPress site from disposable email addresses using the UserCheck API.
As of April 2026, UserCheck is a WordPress anti-spam plugin with 100 active installations and a 5/5 rating from 1 reviews. It has been downloaded 1.8K+ times in total. Requires WordPress 5.2+ and PHP 7.2+. Available on WordPress.org since 2024. Last updated 1 year ago — may have compatibility concerns. Top alternative: Akismet Anti-spam: Spam Protection.
UserCheck 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.
The plugin uses the API provided by UserCheck, which is constantly updated to include the latest disposable email domains. This ensures your site stays protected against new disposable email providers.
UserCheck sends email domains to the UserCheck API for validation. No personal data or full email addresses are transmitted. For more information on how U…
| WordPress | 5.2+ requiredTested up to 6.7.5 |
| PHP | 7.2+ required |
Fixed
– Skip validation for WordPress system emails
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.