There are many SMTP plugins for Wordpress, but there are still many troubleshoots when sending email messages via Wordpress.
As of April 2026, WP Mail REST-API is a WordPress wp-mail plugin with 10 active installations and a 0/5 rating0. It has been downloaded 1.3K+ times in total. Requires WordPress 5.1+ and PHP 7.2+. Available on WordPress.org since 2020. Last updated 6 years ago — may have compatibility concerns. Top alternative: YaySMTP and Email Logs: Amazon SES….
There are many SMTP plugins for WordPress, but there are still many troubleshoots when sending email messages via WordPress. With WP Mail REST-API you can send emails outside of WordPress and this reduces the number of failed sendings.
Create a webhook (trigger) on Zapier, Integromat, Automate, Workato, Microsoft Flow or a service of your choice. Save your Webhook directly in WP Mail REST-API and click on Test Webhook. Now change to your Webhook provider and create an SMTP dispatch as action.
WP Mail REST-API provides you with the following variables for each dispatch:
WP Mail REST-API is the answer to the often asked question, “How to fix WordPress not sending Email Issue.
There are many reasons why sendi…
| WordPress | 5.1+ requiredTested up to 5.3.21 |
| PHP | 7.2+ required |
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