Configure Trellix DLP Network Prevent – SaaS to deliver to multiple email servers by distributing the email messages among them.
Ensure that you have the IP addresses or host names of the Smart Hosts.
In ePO - SaaS, open the Policy Catalog.
Select the DLP Appliance Management product, choose the Trellix DLP Network Prevent Email Settings category, and open the policy that you want to edit.
In Smart Hosts, select the Round-robin checkbox. Click + to add an MTA. Add the details of the MTAs and click Update.
Click Save.