A plugin to make WordPress outgoing emails better and less likely to be marked as spam.
As of April 2026, Email Essentials is a WordPress DKIM plugin with 40 active installations and a 0/5 rating0. It has been downloaded 201 times in total. Requires WordPress 5.6+ and PHP 7.4+. Available on WordPress.org since 2026. Recently updated within the last 3 months. Top alternative: Deliverability – pass DKIM, SPF, DMARC….
Email Essentials vastly reduces the chances of your emails being marked as spam or being rejected. Originally a debugging tool, it has grown into a full-fledged email enhancement plugin.
Please note that this plugin is not a “we support any type of transport” Email plugin. For other protocols than SMTP, but rather to enhance the email sending capabilities of WordPress.
If you need to send emails with other protocols than SMTP, this plugin is not for you. You might want to look at plugins like Post SMTP (not affiliated).
And since version 6.0.0, after more than 10 years of development, this plugin is now a FOSS plugin, meaning it is free to use, modify and distribute under the GPLv2 license.
In return, we ask you to support the development of this plugin by contributing to the…
| WordPress | 5.6+ requiredTested up to 6.9.4 |
| PHP | 7.4+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.