Symantec DLP v14.5 - Monitor all emails sent from browser and outlook and other mail applications

Hello,

I am using Symantec DLP v14.5.

I have license for Endpoint Prevent

I want to monitor emails which are sent through browser and outlook and other mail applications like Windows mail and Mac mail.

Can anyone guide me to build policy.

I have made a policy, it is monitoring mails sent through outlook but not monitoring mails sent through browser application.