TAKAHIRO

EmailZap is a simple and lightweight plugin that replaces WordPress’s default mail sending with SMTP. 
You can easily configure SMTP host, port, encryption method, authentication, username, and password from the admin settings page.
Passwords are encrypted using AES-256-CBC before being saved to the database, enhancing your site’s security.

EmailZap

A lightweight and secure plugin that switches your WordPress email sending to SMTP. Configure your SMTP server easily from the admin panel.

This plugin enhances the security and stability of your WordPress installation by delaying and controlling wp_mail() email submissions through a managed queue.
If your site exhibits unusual behavior — such as a spam bot repeatedly submitting forms — you will be alerted immediately.
<ul>
<li>Intercepts wp_mail() and places outgoing messages in a queue</li>
<li>Configure how many emails are sent and at what interval</li>
<li>Log all queued email submissions</li>
<li>Receive alerts when the queue grows unexpectedly</li>
<li>Receive alerts when WordPress is unable to send emails</li>
</ul>

Mail Queue

Take control of emails sent by WordPress. Queue outgoing emails and get notified instantly if your website is trying to send too many emails at once!

EmailZap vs Mail Queue