Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
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Cisco AsyncOS 9.0 for Email User Guide
Chapter 3 Setup and Installation
Using the System Setup Wizard
Note
Configuring SMTP Routes in this step is optional. If no SMTP routes are defined, the system will use
DNS to lookup and determine the delivery host for the incoming mail received by the listener. (See
DNS to lookup and determine the delivery host for the incoming mail received by the listener. (See
.)
You must add at least one domain to the Recipient Access Table. Enter a domain —
example.com
, for
example. To ensure that mail destined for any subdomain of
example.net
will match in the Recipient
Access Table, enter
.example.net
as well as the domain name. For more information, see
Relaying Mail (Optional)
When configuring your interfaces to relay mail, you define the systems allowed to relay email through
the appliance.
the appliance.
These are entries in the RELAYLIST of the Host Access Table for a listener. See
for more information.
Mark the check box for Relay Outgoing Mail to configure the interface to relay mail. Enter the hosts that
may relay mail through the appliance.
may relay mail through the appliance.
When you configure an interface to relay outbound mail, the System Setup Wizard turns on SSH for the
interface as long as no public listeners are configured to use the interface.
interface as long as no public listeners are configured to use the interface.
In the following example, two interfaces with IPv4 addresses are created:
•
192.168.42.42 remains configured on the Management interface.
•
192.168.1.1 is enabled on the Data 1 Ethernet interface. It is configured to accept mail for domains
ending in .example.com and an SMTP route is defined for exchange.example.com.
ending in .example.com and an SMTP route is defined for exchange.example.com.
•
192.168.2.1 is enabled on the Data 2 Ethernet interface. It is configured to relay mail from
exchange.example.com.
exchange.example.com.
Note
The following example pertains to X1070, C670, and C370 appliances. For C170 appliances, the Data 2
interface is typically configured for both incoming and outgoing mail while the Data 1 interface is used
for appliance management (see
interface is typically configured for both incoming and outgoing mail while the Data 1 interface is used
for appliance management (see