Remediation of messages does not function correctly when using Messaging Gateway (SMG) quarantine and Data Loss Prevention (DLP) 15.8 or newer with Cloud SMTP Detect.
The SMG connector was designed for on-premises Email Prevent forwarding to SMG and not Cloud Detection Service (CDS) forwarding to SMG.
DLP 15.8 added quarantine features for CDS when it added an integration option with Email Security.cloud Email Quarantine (ESS).
Release : 10.7.4
Component : Quarantine
Email detection via Cloud SMTP Detection to have quarantine features must be integrated with ESS.
Email detection via Email Prevent to have quarantine features must be integrated with SMG.