Can Symantec DLP inspect TLS-encrypted email traffic?
Article ID: 160123
Data Loss Prevention Endpoint PreventData Loss Prevention Network MonitorData Loss Prevention Network Prevent for EmailData Loss Prevention EnforceData Loss Prevention Network DiscoverData Loss Prevention Network Prevent for WebData Loss Prevention Network ProtectData Loss Prevention Endpoint Discover
Can TLS-encrypted email traffic be monitored by Symantec DLP?
Monitoring and prevention of TLS-encrypted email traffic is only supported with Email Prevent in version 10.0 and above, see the SMTP Prevent MTA Integration Guide for instructions. Network Monitor cannot inspect encrypted traffic.