It depends on what was provided to you,
I'm pretty sure the default is 30 days but, only you know what you agreed to so,to be certain, just open up the .slf file in a text editor and look
inside, you will be able to see the expirey date.
Original Message:
Sent: 09-28-2020 02:32 PM
From: Mahadeva Koosannaver
Subject: Need a information about how many days we can use Symantec messaging gateway trial licenses
Need a information about how many days we can use Symantec messaging gateway trial licenses