Cisco Cisco Email Security Appliance C650 User Guide
25-28
User Guide for AsyncOS 9.7 for Cisco Email Security Appliances
Chapter 25 Configuring Routing and Delivery Features
The Domain Map Feature
Figure 25-3
Masquerading Defined for a Private Listener
The Domain Map Feature
You can configure a “domain map” for listeners. For each listener you configure, you can construct a
domain map table which rewrites the Envelope Recipient for each recipient in a message that matches a
domain in the domain map table. This feature is similar to the sendmail “Domain Table” or Postfix
“Virtual Table” feature. Only the Envelope Recipient is affected; the “To:” headers are not re-written by
this feature.
domain map table which rewrites the Envelope Recipient for each recipient in a message that matches a
domain in the domain map table. This feature is similar to the sendmail “Domain Table” or Postfix
“Virtual Table” feature. Only the Envelope Recipient is affected; the “To:” headers are not re-written by
this feature.
Ethernet interface: Data 2
IP interface: PublicNet (e.g. 192.168.2.1)
Public Listener: InboundMail
SMTP
IronPort Email
Security appliance
Private Listener: OutboundMail
Two entries were added to the
masquerading table for this
private listener. The first entry
masks all subdomains of a
network (e.g.
masquerading table for this
private listener. The first entry
masks all subdomains of a
network (e.g.
exchange.example.com
is
rewritten as
example.com
). The
second entry rewrites the bare
address
address
joe
as
joe@example.com
.
Ethernet interface: Data 1
IP interface: PrivateNet (e.g. 192.168.1.1)
Host Access Table (HAT):
WHITELIST: $TRUSTED
BLACKLIST: $BLOCKED
SUSPECTLIST: $THROTTLED
UNKNOWNLIST: $ACCEPTED
spamdomain.com REJECT
.spamdomain.com REJECT
251.192.1. TCPREFUSE
169.254.10.10 RELAY
ALL: $ACCEPTED
Recipient Access Table (RAT):
Host Access Table (HAT):
RELAYLIST: $RELAYED
ALL: $BLOCKED
Default sender domain: example.com
Received: header: DISABLED
Masquerading: