C170 for small to midsize organizations up to 2000 users c370 for midsize organizations up to 10 000 users.
Cisco email security appliance user guide.
Cisco email security appliance overview the asyncos operating system includes the following features.
The cisco email encryption settings page displays the current versions of the pxe engine and the domain mappings file used by your appliance.
There are six models of the hardware appliance.
Anti spam at the gateway through the unique multi layer approach of senderbase reputation filters and cisco anti spam integration.
User guide for asyncos 10 0 1 for cisco email security appliances md maintenance deployment pdf 12 mb 04 jan 2018.
The cisco email security appliance esa is available for cloud architectures local hardware appliance deployments virtual appliance deployments and hybrid architectures.
User guide for asyncos 10 for cisco email security appliances gd general deployment pdf 12 mb 20 jun 2016.
Anti virus at the gateway with the sophos and mcafee anti virus scanning engines.