Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
5-9
Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Chapter 5 Configuring the Gateway to Receive Email
Figure 5-6
Public Listener on C10 Appliance
The Host Access Table (HAT):
Sender Groups and Mail Flow Policies
Sender Groups and Mail Flow Policies
Each listener that is configured on an appliance has properties that you can
configure to modify the behavior of the message it receives. As discussed in the
configure to modify the behavior of the message it receives. As discussed in the
, one of the first configurable features that
influences a listener’s behavior is its Host Access Table (HAT).
The HAT maintains a set of rules that control incoming connections from remote
hosts for a listener. Every listener you create has its own HAT. HATs are defined
for public and private listeners.
hosts for a listener. Every listener you create has its own HAT. HATs are defined
for public and private listeners.
Ethernet interface: Data 2
IP interface: MailNet (e.g. 192.168.2.1)
Public Listener:
“MailInterface”
SMTP
IronPort C10 Email
Security appliance
Groupware server /
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 and to relay messages from internal systems in the
interface on the Data2 Ethernet interface to accept messages from the
Internet and to relay messages from internal systems in the
.example.com
domain.
IP interface MailNet sends messages to destination hosts on the Internet
and to internal mail hosts.
IP interface MailNet sends messages to destination hosts on the Internet
and to internal mail hosts.
Message generation system