Postmark
Send transactional emails through Postmark for reliable delivery
Overview
The Postmark plugin delivers your site's transactional emails through Postmark, a service known for fast, reliable email delivery. System emails such as form notifications, order confirmations, and password resets are sent through Postmark instead of the default email provider.
Setup
- Navigate to Settings > Plugins
- Find Postmark and click to open the settings page
- Click Save and Install
Entering Your API Token
- Log in to your Postmark account at postmarkapp.com
- Select your server, then go to API Tokens
- Copy your Server API Token
- Paste it into the API Token field in the plugin settings
- Click Save
Configuration

| Field | Description |
|---|---|
| API Token | Your Postmark Server API Token, found in your Postmark account under the server's API Tokens tab |
Email Plugin Exclusivity
Only one email delivery plugin can be active at a time. If another email plugin (such as Mailgun or SMTP) is currently active, you must deactivate it before activating Postmark.
Troubleshooting
Emails are not being delivered
- Confirm the Postmark plugin is installed and active in Settings > Plugins
- Verify your API token is correct by checking it in your Postmark dashboard
- Check that your sender signature or domain is verified in Postmark
- Ensure no other email plugin is active at the same time