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.

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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

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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.

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