There are six models of the hardware appliance.
Cisco email security appliance user guide.
The cisco email encryption settings page displays the current versions of the pxe engine and the domain mappings file used by your appliance.
User guide for asyncos 10 for cisco email security appliances gd general deployment pdf 12 mb 20 jun 2016.
User guide for asyncos 10 0 1 for cisco email security appliances md maintenance deployment pdf 12 mb 04 jan 2018.
User guide for asyncos 11 1 for cisco email security appliances gd general deployment pdf complete book 16 03 mb view with adobe reader on a variety of devices.
You can use the security services service updates page or the updateconfig command in the cli to configure the email security appliance to automatically update the pxe engine.
Cisco email security appliance overview the asyncos operating system includes the following features.
Anti spam at the gateway through the unique multi layer approach of senderbase reputation filters and cisco anti spam integration.
The cisco email security appliance esa is available for cloud architectures local hardware appliance deployments virtual appliance deployments and hybrid architectures.