Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
![Cisco](https://files.manualsbrain.com/attachments/7380d0050044647c30f5c24bbbf5d0c0b6d9bb84/common/fit/150/50/faa183d287233c52228cfea3dbc2a127fe780f60564fcb0955d9c3d1cd23/brand_logo.png)
5-5
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
OL-25136-01
Chapter 5 Configuring the Gateway to Receive Email
Figure 5-4
Public and Private Listeners
illustrates a typical Email Gateway configuration created by the System Setup Wizard Setup
Wizard (or CLI
systemsetup
command) on Cisco IronPort X1050/1060/1070, C650/660/670, and
C350/360/370 appliances. Two listeners are created: a public listener to serve inbound connections on
one interface and a private listener to serve outbound connections on a second IP interface.
one interface and a private listener to serve outbound connections on a second IP interface.
illustrates a typical Email Gateway configuration created by the System Setup Wizard (or CLI
systemsetup
command) on an Cisco IronPort C150/160 appliance. One public listener on a single IP
interface is created to serve both inbound and outbound connections.
Private Listener
IronPort Email
Security appliance
Public Listener
Internet:
Hosts: Many
Recipients: Limited
Recipients: Limited
Internal Network:
Hosts: Limited
Recipients: Many
Recipients: Many