Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
C H A P T E R
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Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
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Setup and Installation
This chapter guides you through the process of configuring your Cisco IronPort C- or X-Series appliance
for email delivery using the System Setup Wizard. If you are configuring an Cisco IronPort M-Series
appliance, please see
for email delivery using the System Setup Wizard. If you are configuring an Cisco IronPort M-Series
appliance, please see
When you have completed this chapter, the Cisco IronPort appliance will be able to send SMTP email
over the Internet or within your network.
over the Internet or within your network.
To configure your system as an Enterprise Gateway (accepting email from the Internet), complete this
chapter first, and then see
chapter first, and then see
for more information.
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Installation Planning
Before You Begin
You can install your Cisco IronPort appliance into your existing network infrastructure in several ways.
This section addresses several options available to you as you plan your installation.
This section addresses several options available to you as you plan your installation.
Plan to Place the Cisco IronPort Appliance at the Perimeter of Your Network
Please note that your Cisco IronPort appliance is designed to serve as your SMTP gateway, also known
as a mail exchanger or “MX.” In addition to the “hardened” operating system dedicated for Internet
messaging, many of the newest features in the AsyncOS operating system function optimally when the
appliance is situated at the first machine with an IP address that is directly accessible to the Internet (that
is, it is an external IP address) for sending and receiving email. For example:
as a mail exchanger or “MX.” In addition to the “hardened” operating system dedicated for Internet
messaging, many of the newest features in the AsyncOS operating system function optimally when the
appliance is situated at the first machine with an IP address that is directly accessible to the Internet (that
is, it is an external IP address) for sending and receiving email. For example:
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The per-recipient reputation filtering, anti-spam, anti-virus, and Virus Outbreak Filter features (see
,
,
, and
) are designed to work with a direct flow of
messages from the Internet and from your internal network. You can configure the Cisco IronPort
appliance for policy enforcement (
appliance for policy enforcement (
) for all email traffic to and from your enterprise.