Cisco Cisco Email Security Appliance C190 User Guide
3-7
Cisco AsyncOS 8.5 for Email User Guide
Chapter 3 Setup and Installation
Preparing for System Setup
Figure 3-2
One Listener Configuration
Preparing for System Setup
Notes:
•
1 Listener
•
1 IP addresses
•
1 Ethernet interface
•
SMTP routes configured
Inbound Listener: “InboundMail” (public)
•
IP address: 1.2.3.4
•
Listener on the Data2 interface listens on
port 25
port 25
•
HAT (accept ALL) includes entries for
Groupware servers in RELAYLIST
Groupware servers in RELAYLIST
•
RAT (accept mail for local domains; reject
ALL)
ALL)
DNS can be configured to use Internet Root
servers or internal DNS servers
servers or internal DNS servers
SMTP routes direct mail to proper groupware
server
server
Firewall ports opened for appropriate services to
and from the appliance
and from the appliance
Do This
More Information
Step 1
Determine how you will connect to the
appliance.
appliance.
See
Step 2
Determine network and IP address
assignments.
assignments.
If you have already cabled your
appliance to your network, ensure that
the default IP address for the Email
Security appliance does not conflict
with other IP addresses on your
network.
appliance to your network, ensure that
the default IP address for the Email
Security appliance does not conflict
with other IP addresses on your
network.
Step 3
Gather information about your system
setup.
setup.
See
Firewall
Ethernet interface: Data 1
IP interface: PublicNet (e.g. 1.2.3.4)
Public Listener:
“AllMail”
SMTP
Internet
Groupware server
(Exchange™, Domino™,
Groupwise™)