Advanced Email Domain Restriction

Description

The Advanced Email Domain Restriction plugin provides a lightweight but powerful way to control which email domains are allowed to register on your WordPress site.

Key Features:

Allow-list Only: Restrict registrations to a specific list of trusted domains.
Bulk Upload: Import large lists of domains via CSV.
Domain Export: Download your allowed domains list for backup or analysis.
WooCommerce Support: Fully compatible with WooCommerce customer registration.
Form Plugin Support: Automatically validate email fields in Contact Form 7, WPForms, and Elementor Pro forms.
TLD & Full Email Support: Restrict registrations to specific TLDs (e.g., .com) or specific email addresses (e.g., user@example.com).
Case-Insensitive: Matches gmail.com regardless of how the user types it.
Custom Messages: Define your own error messages for restricted domains.

Screenshots

Settings Page
Registration Form
Custom Error Message

Installation

Upload the plugin files to the /wp-content/plugins/advanced-email-domain-restriction directory, or install the plugin through the WordPress plugins screen directly.
Activate the plugin through the ‘Plugins’ screen in WordPress.
Use the Settings-> Domain Restriction screen to configure the plugin.

FAQ

How do I customize error messages?: You can customize the error messages for allowed and restricted domains in the plugin settings under the “Custom Messages” section.

Reviews

Ofi Khan March 18, 2026

If you’re looking for a hassle-free way to secure your registration process, this is the plugin to get. I’ve used several domain restriction tools in the past, but the Advanced Email Domain Restriction plugin stands out because of its simplicity and integration. What I love most is the ‘Bulk Upload’ feature—importing a long list of corporate domains via CSV saved me hours of manual entry. It’s lightweight, doesn’t slow down the site, and the custom error messages allow me to stay on-brand. Highly recommended for anyone running a membership site or a private corporate portal.

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Contributors & Developers

“Advanced Email Domain Restriction” is open source software. The following people have contributed to this plugin.

Md Siddiqur Rahman

Translate “Advanced Email Domain Restriction” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

1.3.0

Feature: Added support for TLD-based matching (e.g., allow all emails from .cz).
Feature: Added support for full email address matching (e.g., allow user@example.com).
Enhancement: Updated Admin UI with clearer descriptions and placeholders for new matching types.

1.2.0

Feature: Added Support for WPForms and Elementor Pro email field validation.
Feature: Added Support for Contact Form 7 email field validation.
Feature: Added Export to CSV feature for allowed domains.
Feature: Added CSV Bulk Upload for allowed domains.
Feature: Added client-side and server-side validation for file uploads.
Security: Hardened plugin with nonce and capability checks.
Security: Applied late escaping throughout the admin interface.
Security: Hardened CSV import logic against large files and malicious content.
Bug Fix: Fixed WooCommerce registration errors hook (changed from action to filter).
Enhancement: Added case-insensitive domain validation support.
Enhancement: Refactored to Clean Architecture (separated Validator and CSV Processor).
Enhancement: Settings are now cached for better performance.
Improvement: Cleaned up code and improved domain sanitization.

1.1.0

WooCommerce customer registration email domain check support added.

1.0.0

Initial release with support for allowed domains and custom error messages.

Ratings

5 out of 5 stars.

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