Making Email Deliverability for WordPress...

Post SMTP is the best, most powerful, easy-to-use SMTP Mailing Plugin that maximizes the deliverability of all your emails. Fully compatible with any SMTP mailing service, API mailing (SMTP blocked), email logs, failure notifications and much more.

Your WordPress site not sending emails?

Whether you need to sell your products, share some big news, or tell a story, Post SMTP makes it super easy to configure and understand the internals of your email delivery.


With OAuth 2.0 protocol, you don’t need to store your email password in the WordPress database.

Email Logs

You can easily read, filter, check the status of delivery and debugging output.


If for any reason one of your emails fail to send, Post SMTP will let you know by Email, Pushover or Slack

Chrome Extension

The only mailer plugin you can get notified about issues inside your chrome.

Fallback Mailing

Besides the notifications, you can define a backup SMTP to send an email when there is a failure with the main one


The only free plugin with multiple support options: WordPress forums, our forums, email, and slack.

Go Pro with Postman SMTP

Visit our Post SMTP add-ons and extension store
to find the right solution for your business.
Post SMTP Extension

Amazon SES


Post SMTP Extension

Office 365


Post SMTP Extension

The Better Emails


Post SMTP Extension



twilio extension for postman smtp

Download Chrome Extension

Download Google Chrome Extension to get notified
about issues inside your chrome.

Ready to try? You're in the right place!

Latests Articles

Post man smtp offical 2.1

Post SMTP v2.1 | Official Release Notes

After several weeks of development, we are pleased to present Post SMTP v2.1. This release focuses on bringing our customers a new and improved design for account settings and setup wizard, all of which elevates the plugin’s overall style and user experience.  We have also included integration for Sendinblue, a SaaS solution for relationship marketing.

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Post SMTP Version 2.0.25

Post SMTP Version 2.0.25 – Release Notes Blog

We are excited to announce the release of Post SMTP version 2.0.25. This latest version focuses on code optimization, new api integrations, UI improvements and more.  What is new in Post SMTP v2.0.25? Bug Fixes WP 5.9 Compatibility Ballon UI issue. Uncaught Error: Class ‘PostmanAdminController’ not found. Ajax error appearing due to Google API depreciated

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