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
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Latests Articles
Incorrect authentication data
SPF Some users reported that creating an SPF record solved the issue.https://wordpress.org/support/topic/incorrect-authentication-data-port-587-smtp-starttls-siteground/ Cpanel Possible solutions: Login to CPanel > Tweak Settings > All> “Restrict outgoing
Invalid “To” or “Reply-To” e-mail address
The error can happen because of one of these reasons (try one each time, in the order listed) Try to disable email validation Some plugins
“Permission denied” while trying to send an email
The SELinux is the culprit! You need to enable the sending of emails from one of its Boolean values to allow you to send these