Cisco Cisco Email Security Appliance X1070 User Guide

You can use the 

altsrchost

 command to map email from specific sender IP 

addresses or Envelope Sender address information to a host IP interface (Virtual 
Gateway address) or interface group for delivery.

Using message filters, you can set up specific filters to deliver flagged messages 
using a specific host IP interface (Virtual Gateway address) or interface group. 
See 

. (This method 

is more flexible and powerful than the one above.) 

For more information about creating IP interfaces, see the “Accessing the 
Appliance” appendix in the Cisco IronPort AsyncOS for Email Configuration 
Guide.

So far, we have been using an Email Gateway configuration with the following 
interfaces defined as shown in 

In the following example, the IP Interfaces page confirms that these two interfaces 
(PrivateNet and PublicNet) have been configured, in addition to the Management 
interface. 

Ethernet interface: Data 2

IP interface: PublicNet 192.168.2.1

IronPort Email 

Security appliance

Ethernet interface: Data 1

IP interface: PrivateNet 192.168.1.1)