Verifying Your License

Do you need to verify your WP Mail SMTP license? Verifying your license key will give you access to automatic updates and support, completing the installation process.

This tutorial will show you how to verify your WP Mail SMTP license on your WordPress site.

Before you get started, be sure to install the WP Mail SMTP plugin on your site.

Note: If you’re upgrading from the free version of WP Mail SMTP, please see our tutorial on how to upgrade from WP Mail SMTP Lite for more details.

Verifying Your WP Mail SMTP License

Once you’ve installed and activated the plugin, you’ll need to enter your license key in the WP Mail SMTP Settings.

You can do this by going to WP Mail SMTP » Settings in your WordPress admin area.

Opening the WP Mail SMTP settings

Under the General tab, you’ll find the option to enter your License Key in the License section.


To access your license key, you must open your WP Mail SMTP account. Once you log in, you will find your License Key on the main account page.

Copying your WP Mail SMTP license key from your account dashboard

Copy your license key by clicking on the clipboard icon. Then add it to the License Key field in your WP Mail SMTP plugin settings and click on the Verify Key button to save and update your settings.

Verifying a license key in the WP Mail SMTP settings

You’ll then see a notification letting you know that your site is receiving automatic updates.

A confirmation notification for license verification in WP Mail SMTP

Below the License Key field, you should now see a note with your license level.

Viewing your license type in WP Mail SMTP

Frequently Asked Questions

Below are some of the most common questions we receive from users trying to verify their licenses in WP Mail SMTP.

My license verification failed. What should I do?

License verification failure is often due to PHP cURL issues. To check if there is such a problem on your site, you can use the WordPress Site Health tool.

First, go to Tools » Site Health in your WordPress admin area.

The WordPress Site Health tool

Make sure you’re in the Status tab of the Site Health tool. If there is a serious PHP-related problem on your site, you’ll see a section labeled Critical Issues. Under it, look for any notices related to PHP cURL.

To resolve a PHP cURL issue, you’ll need to contact your hosting provider’s support team for help.

If you’re upgrading from WP Mail SMTP Lite to a paid license, you can still install the plugin manually by following the steps in our installation tutorial.

That’s it! Now you know how to verify your license so your site will receive automatic updates for WP Mail SMTP.

Once you’ve verified your WP Mail SMTP license, the next step is to set up a mailer. Check out our full list of WP Mail SMTP mailer options for details, including step-by-step setup guides.