Kaigai Spam Mail Blocker

Kaigai Spam Mail Blocker is a WordPress plugin that automatically detects and blocks spam or abusive contact form submissions, especially those originating from overseas.

The plugin analyzes submitted content and blocks messages that do not contain Japanese characters or consist primarily of alphanumeric characters, which are common patterns in spam messages.

Supported form plugins:

• Contact Form 7
• Elementor Pro Forms

No configuration is required. Simply install and activate the plugin.