Making Email Deliverability Work for WordPress
The Most Popular WordPress SMTP Mailer Plugin
Post SMTP is the best, 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.
OAuth
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.
Notification
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
Support
The only free plugin with multiple support options: WordPress forums, our forums, email, and slack.
What customers say about us


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

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

Post SMTP Plugin Has Been Acquired By WPExperts
We’re pleased to announce that the Post SMTP plugin has been successfully acquired by WPExperts from Yehuda Hassine. The acquisition news was exclusively covered by

The future of Post SMTP
Yes, I’m still here! Although I wasn’t active lately, I’m still active and watching Post SMTP. I wanted to write about important stuff about Post