


So when building the server unsure your naming is correct for installing this role. Important Note: Renaming a Server after the instalation of the Edge Transport Role isn’t supported. Always Install Exchange 2016 Edge Transport server in the perimeter network and outside of the Active Directory forest. Edge Transport role performs anti-spam filtering and applies security and email policies to messages in transport. Edge Transport Server can be used to provide SMTP relay and smart host services for Exchange organization.

Edge Transport servers minimize the attack to your exchange organization by handling all Internet-facing mail flow.
