April 2012
Intermediate to advanced
576 pages
15h 40m
English
Content preview from Email Security with Cisco IronPortBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 1. Introduction to Email Security
In this chapter, you will learn the following:
• Brief overview of the Cisco IronPort Email Security products
• A history of the AsyncOS software releases that run the Email Security Appliances
• Basic topics of Internet email, focusing on the Simple Mail Transfer Protocol
• Definition of email security and overview of the threat landscape
Overview of Cisco IronPort Email Security Appliance (ESA)
The Cisco IronPort Email Security Appliance (ESA) family was launched in 2003. IronPort Systems, then an independent security company, created ESA as a self-contained hardware and software product to provide high-performance email security. The goal was to provide a single product that accepted, filtered, and ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.