Cisco Cisco Email Security Appliance C190 Guía Del Usuario
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Cisco AsyncOS 8.5.5 for Email Security User Guide
Chapter 23 Configuring Routing and Delivery Features
Review: Email Pipeline
Figure 23-15
Global Unsubscribe Example
Review: Email Pipeline
and
provide an overview of how email is routed through the system, from
reception to routing to deliver. Each feature is processed in order (from top to bottom) and is briefly
summarized. Shaded areas in
summarized. Shaded areas in
represent processing that occurs in the Work Queue.
You can test most of the configurations of features in this pipeline using the
trace
command. For more
information, see “Debugging Mail Flow Using Test Messages: Trace” in the Troubleshooting chapter.
Ethernet interface: Data 2
IP interface: PublicNet (e.g. 192.168.2.1)
Public Listener: InboundMail
IronPort Email
Security appliance
Private Listener: OutboundMail
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):
example.com ACCEPT
newcompanyname.com ACCEPT
ALL REJECT
Host Access Table (HAT):
RELAYLIST: $RELAYED
ALL: $BLOCKED
Default sender domain: example.com
Received: header: DISABLED
Masquerading:
A global unsubscribe entry for
the address
the address
user@example.net
was created. Messages to this
address will be bounced from
mail accepted by either private
or public listeners.
address will be bounced from
mail accepted by either private
or public listeners.