Cisco Cisco Email Security Appliance C170 사용자 가이드

The AsyncOS documentation set has been divided into four separate books — the 
Cisco IronPort AsyncOS for Email Configuration Guide, the Cisco IronPort 
AsyncOS CLI Reference Guide, the Cisco IronPort AsyncOS for Email Daily 
Management Guide, and this book, which contains information on advanced 
features and configuration. Occasionally, this book will refer to the other guides 
for additional information on topics.

 describes the process for setting up a C370 

appliance with a FIPS-compliant Hardware Security Module card for 
cryptographic operations. 

 describes the process for tailoring the 

configuration of your Enterprise Email Gateway. This chapter discusses, in detail, 
advanced features available to you as you configure interfaces and listeners to 
handle email receiving through the gateway. 

 explains the features 

that affect email routing and delivery of email traveling through the Cisco 
IronPort appliance. 

 described how your Cisco IronPort appliance can 

connect to your corporate Lightweight Directory Access Protocol (LDAP) servers 
and perform queries for the purposes of verifying recipients to accept (including 
group membership), mail routing and address rewriting. masquerading headers, 
and supporting for SMTP authentication. 

 details the process of configuring and enabling 

email authentication on an IronPort appliance. IronPort AsyncOS supports several 
types of email authentication, including Sender Policy Framework (SPF), Sender 
ID Framework (SIDF), and DomainKeys Identified Mail (DKIM) verification of 
incoming mail, as well as DomainKeys and DKIM signing of outgoing mail.

 describes how to 

use Message Filters to define rules for handling email, including the ability to 
modify the content of messages through the attachment filtering, image analysis, 
and content dictionary features.