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IronPort - advanced configuration guide

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2-44<br />

Figure 2-11 Applying a Bounce Profile to a Private Listener<br />

Public Listener: InboundMail<br />

Host Access Table (HAT):<br />

WHITELIST: $TRUSTED<br />

BLACKLIST: $BLOCKED<br />

SUSPECTLIST: $THROTTLED<br />

UNKNOWNLIST: $ACCEPTED<br />

spamdomain.com REJECT<br />

.spamdomain.com REJECT<br />

251.192.1. TCPREFUSE<br />

169.254.10.10 RELAY<br />

ALL: $ACCEPTED<br />

Recipient Access Table (RAT):<br />

example.com ACCEPT<br />

newcompanyname.com ACCEPT<br />

ALL REJECT<br />

IP interface: PublicNet (e.g. 192.168.2.1)<br />

Ethernet interface: Data 2<br />

Ethernet interface: Data 1<br />

IP interface: PrivateNet (e.g. 192.168.1.1)<br />

Private Listener: OutboundMail<br />

Host Access Table (HAT):<br />

RELAYLIST: $RELAYED<br />

ALL: $BLOCKED<br />

Default sender domain: example.com<br />

Received: header: DISABLED<br />

Masquerading:<br />

@.example.com @example.com<br />

Controlling Email Delivery<br />

Cisco <strong>IronPort</strong> AsyncOS 7.6 for Email Advanced Configuration Guide<br />

Chapter 2 Configuring Routing and Delivery Features<br />

Note: This public listener remains<br />

unchanged.<br />

<strong>IronPort</strong> Email<br />

Security appliance<br />

This listener was modified to use a<br />

bounce profile named bouncepr1.<br />

Hard bounces are sent to the address:<br />

bounce-mailbox@example.com.<br />

Uncontrolled high-volume email delivery can overwhelm recipient domains. AsyncOS gives you full<br />

control of message delivery by defining the number of connections your appliance will open or the<br />

number of messages your appliance will send to each destination domain.<br />

Using the Destination Controls feature (Mail Policies > Destination Controls in the GUI, or the<br />

destconfig command in the CLI), you can control:<br />

OL-25137-01

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