To enter the License key/Renewal key in Mailscan for Linux follow the below procedure
1. Login to the Mailscan Web-console.
The Mailscan Web-console can be accessed by https://ip-address of the mailscan system:10443
2. Click on "Help" tab and then on the "About" option.
Enter the License key in the "Enter License Key:" and click on "Register Key" to activate the license key.