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 and can optionally pause delivery automatically while you investigate.
<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>Pause the queue without disabling the plugin completely</li>
<li>Log queued emails, sent emails, alerts, and queue events</li>
<li>Receive alerts when the queue grows unexpectedly</li>
<li>Optionally auto-pause the queue when an alert is triggered</li>
<li>Send selected queued emails immediately from the backend</li>
<li>Automatically prioritize WordPress password reset emails</li>
<li>Receive alerts when WordPress is unable to send emails</li>
</ul>

Mail Queue

Gain full control over your WordPress emails. Queue outgoing emails and get alerts when your site tries to send unusually high volumes.

EmailZap vs Mail Queue