You should receive a subscription key after you purchase TRITON AP-EMAIL. If you did not enter the subscription key the first time you opened the Email module, enter it in the
Settings > General > Subscription page. This subscription key can be entered in 1 appliance and is applied to all the appliances controlled by the Email module.
Use the Subscription key field to enter a new key any time you receive one. If your subscription includes the Email Hybrid Module, you must register with the email hybrid service every time you enter a new subscription key to establish the connection and synchronize email protection system functions.