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IronPort AsyncOS

Cisco has acquired Ironport. Please visit our Cisco site for the latest re-branded Ironport products.

All Cisco IronPort appliances are built from the ground up and are powered by the unique Cisco IronPort AsyncOS┬« operating system for high performance and security. Designed to meet the inbound and outbound needs of the world’s largest email infrastructures, Cisco IronPort appliances offer advanced mail delivery features such as:

These features help ensure that email infrastructure is never overwhelmed, even during the largest virus outbreaks or spam attacks. They also save money on hardware, rack space, power, and IT administration time.

Innovative Security Technology

Developing the Cisco IronPort AsyncOS Operating System

Cisco started with a FreeBSD kernel and made three major changes:

The Cisco IronPort AsyncOS operating system lets Cisco IronPort appliances process mail more than 10 times more efficiently than traditional UNIX systems do, providing extremely high capacity and availability.