Cisco Cisco Email Security Appliance C650 Guía Del Usuario
Chapter 3 Setup and Installation
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Cisco IronPort AsyncOS 7.1 for Email Configuration Guide
OL-22158-02
X1000/1050/1060, C60/600/650/660 and C30/300/350/360 customers: By
default, the
default, the
systemsetup
command configures two listeners — one public and one
private. (For more information on the types of listeners available, see
.)
C10/100/150/160 customers: By default, the
systemsetup
command configures
one public listener for both receiving mail from the Internet and for relaying email
from your internal network. See
from your internal network. See
When you define a listener, you specify the following attributes:
•
A name (nickname) created by you to refer to the listener later. For example,
the listener that accepts email from your internal systems to be delivered to
the Internet may be called OutboundMail.
the listener that accepts email from your internal systems to be delivered to
the Internet may be called OutboundMail.
•
One of the IP interfaces (that you created earlier in the
systemsetup
command) on which to receive email.
•
The name of the machine(s) to which you want to route email (public listeners
only). (This is the first
only). (This is the first
smtproutes
entry. See “Routing Email for Local
Domains” in the Cisco IronPort AsyncOS for Email Advanced Configuration
Guide for more information.)
Guide for more information.)
•
Whether or not to enable filtering based on SenderBase Reputation Scores
(SBRS) for public listeners. If enabled, you are also prompted to select
between Conservative, Moderate, or Aggressive settings.
(SBRS) for public listeners. If enabled, you are also prompted to select
between Conservative, Moderate, or Aggressive settings.
•
Rate-limiting per host: the maximum number of recipients per hour you are
willing to receive from a remote host (public listeners only).
willing to receive from a remote host (public listeners only).
•
The recipient domains or specific addresses you want to accept email for
(public listeners) or the systems allowed to relay email through the appliance
(private listeners). (These are the first Recipient Access Table and Host
Access Table entries for a listener. See
(public listeners) or the systems allowed to relay email through the appliance
(private listeners). (These are the first Recipient Access Table and Host
Access Table entries for a listener. See
for more information.)
Public Listener
Note
The following examples of creating a public and private listener apply to
X100/1050/1060, C60/600/650/660, and C30/300/350/360 customers only.
IronPort C10/100/150/160 customers should skip to the next section
X100/1050/1060, C60/600/650/660, and C30/300/350/360 customers only.
IronPort C10/100/150/160 customers should skip to the next section
.