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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.

Get Notified for Fallback Emails

Get notified of your failed WordPress emails on your Chrome Browser or on the Slack App.

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

Latests Articles

Post SMTP to SendGrid

Setting up SendGrid With Post SMTP

It is a good idea to integrate Post SMTP to SendGrid if you want the outgoing emails from your WordPress site to be more trustworthy and have a better chance of reaching the recipients you intend to reach. What is SendGrid  SendGrid is a cloud-based service that provides enterprises with assistance with email delivery. The

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Post SMTP Membership Plans | Access to all Post SMTP Pro Extensions & More

Post SMTP Membership Plans | Access to all Post SMTP Pro Extensions & More

We are pleased to announce Post SMTP’s membership plans. These membership plans give you access to all Post SMTP Pro extensions available, including Office365 Pro, Amazon SES Pro, Better Email Logger Pro, Twilio Pro, and Mail Control Pro extension. What are the benefits of buying the Post SMTP Membership license? Amazon SES Pro Extension Office 365

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