systemctl restart pmta To check if your license is active and recognized, use:
License: valid (unlimited/1000000/hour) If the license is missing, expired, or mismatched (e.g., wrong MAC), you will see errors like: powermta license key
If you need a new license key or have lost your existing one, contact or your reseller with your order ID and server MAC address. Disclaimer: This article is for informational purposes. PowerMTA and SparkPost are trademarks of their respective owners. Always refer to official documentation for licensing policies. systemctl restart pmta To check if your license
/etc/pmta/license You can also define the license path inside pmta configuration file using the directive: or mismatched (e.g.
license-file /path/to/your/license.key After installing the license, restart PowerMTA: