Make email delivery easy for WordPress. Connect with SMTP, Gmail, Outlook, SendGrid, Mailgun, SES, Zoho, + mor...
Free
4M+ installs 4.8★ (5,185)
Mail Queue
Gain full control over your WordPress emails. Queue outgoing emails and get alerts when your site tries to send unusually high volumes.
The facts
- Rating
- 5★ from 8
- Active installs
- 1k+
- Price
- Free
- Last updated
- 20 Aug 2026
- Added
- Dec 2021
- Requires WP
- 5.9
- Tested up to
- WP 7.1
- Requires PHP
- 7.4
- Downloads
- 11,302
Our analysis
AI-assistedMail Queue is a WordPress plugin designed to enhance the security and stability of your site by managing email submissions through a controlled queue. It intercepts outgoing emails, allowing you to configure the sending rate and pause the queue if necessary. This is particularly useful for sites experiencing unusual behaviour, such as spam submissions, as it provides alerts and logging features to help you monitor email activity.
The plugin is suitable for WordPress site owners who want to maintain better control over their email functionality and ensure that their site remains secure from potential email abuse. It offers features like prioritising password reset emails and logging events related to queued emails, making it a practical tool for managing site communications effectively.
Best for: This plugin suits WordPress site owners looking to manage email submissions securely and efficiently.
What it does well
- ✓Enhances security by controlling email submissions
- ✓Allows configuration of email sending rates
- ✓Provides alerts for unusual email queue growth
- ✓Logs queued and sent emails for monitoring
- ✓Prioritises WordPress password reset emails
Where it falls short
- •Limited information on additional features or settings
Verdict
Mail Queue offers valuable email management features for WordPress users, particularly those concerned with security and spam control.
From the developer
WDM's own description of Mail Queue, lightly tidied.
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.
- Intercepts wp_mail() and places outgoing messages in a queue
- Configure how many emails are sent and at what interval
- Pause the queue without disabling the plugin completely
- Log queued emails, sent emails, alerts, and queue events
- Receive alerts when the queue grows unexpectedly
- Optionally auto-pause the queue when an alert is triggered
- Send selected queued emails immediately from the backend
- Automatically prioritize WordPress password reset emails
- Receive alerts when WordPress is unable to send emails
Tagged as
Alternatives
Other plugins for email deliverability.
FluentSMTP
94Free WP Mail SMTP plugin - fix WordPress email deliverability with Gmail, Amazon SES, SendGrid, Mailgun, Cloud...
Free
600k+ installs 4.8★ (400)
Easy WP SMTP
90Make SMTP email sending and delivery easy. Configure Gmail SMTP, Outlook, Brevo, SendGrid, Mailgun, SendLayer...
Free
500k+ installs 4.6★ (707)
GoSMTP
89Send emails from your WordPress site using your preferred SMTP provider like Gmail, Outlook, AWS, Zoho, SMTP.c...
Free
500k+ installs 4.3★ (10)
Post SMTP
89Improve WordPress email deliverability. Connect Gmail SMTP, Microsoft 365, Brevo, SendGrid, Mailgun, Zoho, Ama...
Free
300k+ installs 4.7★ (525)
Check & Log email allows you to test if your website is correctly sending emails . Overriding of email hea...
Free
100k+ installs 4.8★ (290)