Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
24-6
AsyncOS 9.1.2 for Cisco Email Security Appliances User Guide
Chapter 24 Configuring Routing and Delivery Features
Rewriting Addresses
Figure 24-1
SMTP Routes Defined for a Public Listener
Rewriting Addresses
AsyncOS provides several methods for rewriting Envelope Sender and Recipient addresses in the email
pipeline. Rewriting addresses can be used, for example, to redirect mail sent to a partner domain or to
hide (“mask”) your internal infrastructure.
pipeline. Rewriting addresses can be used, for example, to redirect mail sent to a partner domain or to
hide (“mask”) your internal infrastructure.
Ethernet interface: Data 2
IP interface: PublicNet (e.g. 192.168.2.1)
Public Listener: InboundMail
SMTP
IronPort Email
Security appliance
The
smtproutes
command was
used to route mail accepted on the
public listener InboundMail for
public listener InboundMail for
example.com
to the host
exchange.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):
exchange.example.com