Cisco Cisco Email Security Appliance C170 Betriebsanweisung
5-6
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
OL-25136-01
Chapter 5 Configuring the Gateway to Receive Email
Figure 5-5
Public and Private Listeners on X1050/1060/1070, C650/660/670, C350/360/370 Appliances
Ethernet interface: Data 2
IP interface: PublicNet (e.g. 192.168.2.1)
Public Listener:
“InboundMail”
SMTP
IronPort Email
Security appliance
Private Listener:
“OutboundMail”
Groupware server / Message generation system
Note
This public listener uses SMTP
protocol on Port 25 of the
PublicNet IP interface on the
Data2 Ethernet interface to
accept messages from the
Internet.
protocol on Port 25 of the
PublicNet IP interface on the
Data2 Ethernet interface to
accept messages from the
Internet.
IP interface PublicNet sends
messages to destination hosts
on the Internet.
messages to destination hosts
on the Internet.
IP interface PrivateNet sends messages to
internal mail hosts.
Note
This private listener uses SMTP
protocol on Port 25 of the
PrivateNet IP interface on the
Data1 Ethernet interface to
accept messages from internal
systems in the
protocol on Port 25 of the
PrivateNet IP interface on the
Data1 Ethernet interface to
accept messages from internal
systems in the
.example.com
domain.
Ethernet interface: Data 1
IP interface: PrivateNet (e.g. 192.168.1.1)