WP Email Restriction

Contributors:

• Raouf Rezouali
• Samy Bacha
• Dany Yakoubi

Tags: access control, email restriction, domain restriction, login, security
Requires at least: WordPress 5.0
Tested up to: WordPress 6.4
Requires PHP: 7.4
License: MIT

Restrict website access or registrations to users with specific email domains. Ideal for corporate intranets, private communities, educational sites, or client portals.

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Description

WP Email Restriction allows site owners to limit access and registrations to specific email domains. After configuration, only users with authorized email addresses can register or log in — perfect for:

• Corporate Intranets – Employees only
• Private Communities – Members-only environment
• Educational Sites – Users with institution emails
• Client Portals – Exclusive access for clients

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Features

🔒 Domain-Based Access Control

• Whitelist allowed email domain(s) (e.g., @company.com)
• Validates email addresses during login or registration

🧑 User Flow

• Domains configured under Settings → Email Restriction
• Only whitelisted emails can register/log in
• Default WordPress admin users (manage_options capability) bypass restriction

⚙️ Simple Management

• Clean admin interface for domain configuration
• Clear error messaging on denied access

🔧 Developer-Friendly

• Hooks and filters for customization
• Extendable via themes or other plugins

🔒 Security Standards

• Built on WordPress’s authentication and nonce systems
• Data sanitized and validated against approved domains

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Installation

1. Automatic Installation (not available yet!)

1. Go to Plugins → Add New
2. Search for WP Email Restriction
3. Click Install Now, then Activate

2. Manual Installation

1. Download the plugin ZIP or clone the epo
2. Upload folder to /wp-content/plugins/
3. Activate via Plugins menu

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Setup Guide

1. After activation, go to Settings → Email Restriction
2. Add your domain (without @)
3. Save changes
4. Restriction applies to both registration and login

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Frequently Asked Questions

Q: Can I add multiple domains?
A: Yes — add each domain separated by commas.

Q: What about existing users?
A: Current admin users remain unaffected. Others must match a whitelisted domain.

Q: Can I customize error messages?
A: Yes — use the wp_email_restriction_error_message filter.

Q: Does it work with multisite?
A: Not yet. Multisite support may be added in future versions.

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Support

Report issues or suggest features at the GitHub repo issues page.

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License

This plugin is licensed under the MIT License Do whatever you want, just don’t remove the original license and don’t blame us if something breaks.