Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

The Email Pipeline is the process or flow email follows as it is processed by the 
IronPort appliance. Understanding the Email Pipeline is essential to getting the 
best performance from your IronPort appliance.

This chapter provides an overview of the Email Pipeline for incoming mail and a 
brief description of each feature. The brief description also includes a link to the 
chapter or book containing a detailed explanation of the feature.

This chapter contains the following sections:

 and 

 provide an overview of how incoming email is processed 

through the system, from reception to routing to delivery. Each feature is 
processed in order (from top to bottom) and is briefly described below. A full 
description of each feature can be found in the following chapters. Some features 
are described in the Cisco IronPort AsyncOS for Email Advanced Configuration 
Guide and Cisco IronPort AsyncOS for Email Daily Management Guide.