WP Duck 🐥

Stops all outgoing emails to ensure no emails are sent from your WordPress site, particularly useful for staging environments. This plugin is compatible with PHP versions 5.0 through 8.3 and has been tested up to WordPress version 6.6.
Updates in Version 1.0.1: 
– Updated function and class names with a unique prefix to prevent conflicts with other plugins. 
– Added text domain loading for translations. 
– Ensured all user-facing strings are translatable and properly escaped. 
– Improved code to adhere to WordPress Plugin guidelines.

Block All Emails

Prevents all outgoing emails from your WordPress site, ideal for staging environments.

EverPress

Xaver

Mailster Newsletter Plugin

<blockquote>
This Plugin requires <a href="https://mailster.co/?utm_campaign=wporg&utm_source=wordpress.org&utm_medium=readme&utm_term=Mailgun" rel="nofollow ugc">Mailster Newsletter Plugin for WordPress</a>
</blockquote>
Uses Mailgun to deliver emails for the <a href="https://mailster.co/?utm_campaign=wporg&utm_source=wordpress.org&utm_medium=readme&utm_term=Mailgun" rel="nofollow ugc">Mailster Newsletter Plugin for WordPress</a>.
Read the <a href="https://kb.mailster.co/send-your-newsletters-via-mailgun?utm_campaign=wporg&utm_source=Mailgun&utm_medium=readme" rel="nofollow ugc">Setup Guide</a> to get started.
<h3>Additional Info</h3>
This Plugin requires <a href="https://mailster.co/?utm_campaign=wporg&utm_source=wordpress.org&utm_medium=readme&utm_term=Mailgun" rel="nofollow ugc">Mailster Newsletter Plugin for WordPress</a>

Mailster Mailgun Integration

Uses Mailgun to deliver emails for the Mailster Newsletter Plugin for WordPress.

Block All Emails vs Mailster Mailgun Integration