Encryption settings
When EMS mode is turned on, you can't configure this setting.
Encryption settings allows you to download the Sophos Outlook Add-in and install it for your users or apply custom branding of your encryption messages and encryption web portal.
Click the General Settings icon 
. Under Email Security, click Encryption to manage settings for encrypted messages.
To set up encryption settings, do as follows:
- Install the Sophos Outlook Add-in for encryption. See Encryption Outlook Add-in Settings.
- Brand your encryption messages and encryption web portal and customize encryption features. See Custom Branding.