GD Mail Queue


Queue based, enhanced email sending system

Intercept wp_mail function, convert emails to HTML and implements flexible mail queue system for sending emails, with support for email sending engines and services.

Current release
Version: 5.7.1
Date: 2023.08.09
First released
4 years, 11 months ago
System Requirements
PHP: 7.3
WordPress: 5.5
or ClassicPress: 1.5
bbPress: 2.6
BuddyPress: 8.0
WooCommerce: 4.0
Individual network websites

All in one email handling

Powerful all in one plugin that brings a lot of email related features into one integrated plugin, including queue, HTML emails, email log and much more.

Emails Queue

Powerful queue system that can intercept wp_mail emails. The queue is processed in the background with various control options.

Emails Log

Advanced log system that can intercept regular and queue emails. Log panel supports filtering and preview of the logged emails information.

HTML Emails

Turn plain text emails into HTML emails. Choose (or add own) email ready HTML template and define additional tags.

PHPMailer Service

If using default PHPMailer engine for sending emails, you can choose from the selection of provided services.

Third Party SMTP Servers

Plugin has direct support for most popular third party email sending services that support SMTP.

REST API Engines

If you prefer not to use SMTP directly, plugin has support for various third party services through REST API.

Safe Staging

Set up the live website URL, and the plugin can detect when running on the staging website to prevent emails sending.

HTML Template Logos

Select or set images to be used as logos. The plugin supports setting primary and secondary logo to be added to HTML templates.

Email Log Panel

All emails are logged into custom database tables. Log panel shows various information, supports filtering and includes popup preview of each email.

Log List

Log list shows a lot of information, supports filters and it shows status of each email, including error messages.

Preview: Basic

Preview popup shows several tabs (depending on email), with all relevant email information.

Preview: HTML

Preview can even show the preview HMTL of the email (if available), with sandbox protection of the embedded IFRAME.

SMTP Services & Engines

The plugin supports many popular third-party services through SMTP support, or with REST API engines replacement. And, more services are coming in the future.

SMTP Services

The plugin has support for custom SMTP servers, and the Pro version includes direct support for popular third-party services that currently include: Amazon AWS SES, SendGrid, Mailgun, Mailjet, Postmark, SparkPost, SendPulse, SendInBlue and Mandrill. More services will be added soon.

REST API Engines

Pro version of the plugin includes REST API Engine for SendGrid. And, Pro version has addons architecture included, using addons to add more REST-based engines, currently including Gmail, AWS SES REST API, MailJet and MailGun REST API, with more engines coming soon.

And more features

Here are some more of the plugin features


Informative dashboard shows several boxes with all sorts of information about the plugin and logged statistics.

Pause Emails

Plugin has options and filters to pause wp_mail and the queue processing for additional control.

Test Tools

To test the mail processing, plugin provides tools to test individual email sending and sending emails into queue.

Quick Features Overview

Here is the quick overview of all plugin features

  • Intercept all wp_mail() emails
  • Doesn’t replace wp_mail() function
  • A configurable email queue system
  • Auto queue emails
  • Supports engines for email sending
  • PHPMailer is the default engine
  • Log all emails
  • Log with the full email preview
  • Turn plain emails into HTML
  • Support for HTML templates
  • With extra tags for templates
  • Add logos to use in HTML
  • Safe Staging Module
  • Tools: Test email sending
  • Tools: Test email queuing
  • Tools: Test HTML template
  • SMTP Service: SendGrid
  • SMTP Service: AWS SES
  • SMTP Service: SendPulse
  • SMTP Service: Mailjet
  • SMTP Service: Postmark
  • SMTP Service: SparkPost
  • SMTP Service: Mailgun
  • SMTP Service: Mandrill
  • Pause email sending
  • Addons architecture
  • Addons for REST API services
  • REST API: SendGrid
  • REST API: Gmail
  • REST API: Mailgun
  • REST API: Mailjet

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Knowledge Base and Support

Knowledge Base

To get help for this plugin, start with FAQ and the Knowledge Base.

Knowledge Base

Support Forums

If you need help with the plugin or to report problems, use support forums.

Support Forum

Request Demo

Do you have doubts about whether this plugin is right for you? Test it first.

Request Demo

Plugin Translations

Plugin's basic language is English. The plugin is translation ready, with empty POT file with all the string included in the plugin directory.

The plugin also includes full or partial translations for:
Dansk (Danish), Deutsch (German), Deutsch Schweiz (German, Switzerland), Español (Spanish, Spain), Español de Argentina (Spanish, Argentina), Español de México (Spanish, Mexico), Français (French), Français de Belgique (French, Belgium), Français du Canada (French, Canada), Italiano (Italian), Nederlands (Dutch), Polski (Polish), Português (Portuguese, Portugal), Português do Brasil (Portuguese, Brazil), Русский (Russian), Српски (Serbian).

It is possible that plugin has some minor spelling issues, mistypes words and other issues. Please, report any problems you find, and they will be fixed, and POT file updated when needed.

You can join the translations project for this plugin, and help with translating it to your native language. You can read more about it here: Plugin Translations.

Translations on

Plugin Accessibility

Plugin Accessibility Status

Front End: Not Applicable
Admin Side: Yes

Report Accessibility Issues

Web accessibility is increasingly important factor in web development, and with the accessibility support you are making sure that people with disablities are able to use your website. Developing for accessibility is one of the priorities on Dev4Press, and we are using WCAG guidelines and approved tools to test our plugins and improve accessibility for on both admin side and the front end (for plugins with front end controlls and features).

Keep in mind that there still might be some accessibility issue with the plugin, and if you find any, please report them via support forum, and such report will be given highest priority, and issue will be fixed as soon as possible.

More Features

Settings Import and Export

All Dev4Press premium plugins have a set of easy-to-use tools to export all plugin settings into files with JSON serialization. And you can export settings from that file. This way, you can keep your settings safe or transfer settings from one website to another.

Browser Compatibility

All our plugins are compatible with all popular internet browsers. This includes Google Chrome, Mozilla Firefox, Apple Safari, Opera, and Microsoft Edge, all tested across different operating systems and desktop and mobile devices.

Regular Updates

All Dev4Press premium plugins are constantly developed and will receive regular updates to fix reported bugs, fix any security issues, and enhance and improve every aspect of plugins. And using our Updater plugin, you can update directly from WordPress.

Complete Localization

All Dev4Press free and lite plugins have a WordPress standard PO/MO translation system implemented, making it easy to translate into any language. Depending on the plugin, translations can be split into two or more files for easier translation handling.

Excellent Support

One of our primary goals is to provide the best support possible. This includes an active support forum, priority support (for Agency license), and an ever-expanding knowledge base and FAQ to ensure you get all the information you need for our plugins.

Secure and Clean Code

All Dev4Press premium plugins are coded using best coding practices, with code tested for all potential security problems. We are constantly working on maintaining full WordPress compatibility and the highest level of security for all our products.

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