disable-external-emails

Restricts outbound emails to a list of defined email domains and addresses.

Quick links: Installation

Installation

Install as Git submodule

1. Add the plugin as submodule.

   git submodule add --name disable-external-emails [email protected]:netzstrategen/wordpress-disable-external-emails.git wp-content/mu-plugins/disable-external-emails

2. Add a must-use plugin loader file wp-content/mu-plugins/disable-external-emails.php:

   <?php
   
   /*
     Plugin Name: Disable external emails
     Version: 1.0.0
     Description: Prevents accidental sending of emails to external recipients during development.
     Author: netzstrategen
     Author URI: https://netzstrategen.com
   */
   
   require_once __DIR__ . '/disable-external-emails/disable-external-emails.php';

3. Configure a list of allowed email domains and addresses in wp-config.php:

   const DISABLE_EXTERNAL_EMAILS_EXCEPT = '@example.com, [email protected], @netzstrategen.com';

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Originally authored by Bogdan Arizancu and Daniel Kudwien.