Cisco Cisco Email Security Appliance C650 Guía Del Usuario
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Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Chapter 5 Configuring the Gateway to Receive Email
Sender Groups
HAT parameters are combined with an access rule to create a mail flow policy
(see
(see
).
When you group together different HAT parameters and assign a name to them,
you are defining a mail flow policy that can be applied to groups of senders.
you are defining a mail flow policy that can be applied to groups of senders.
A sender group is simply a list of senders gathered together for the purposes of
handling email from those senders in the same way (that is, applying a mail flow
policy to a group of senders). A sender group is a list of senders identified by:
handling email from those senders in the same way (that is, applying a mail flow
policy to a group of senders). A sender group is a list of senders identified by:
•
IP address
•
IP range
•
Specific host or domain name
•
SenderBase Reputation Service “organization” classification
•
SenderBase Reputation Score (SBRS) range (or lack of score)
•
DNS List query response
See
for the syntax of defining remote hosts (sender entries) that make
up sender groups. These sender entries are separated by commas in a listener’s
HAT. You assign a name for sender groups, as well as mail flow policies.
HAT. You assign a name for sender groups, as well as mail flow policies.
Together, sender groups and mail flow policies are defined in a listener’s HAT. By
default, your Cisco IronPort appliance ships with the predefined mail flow
policies and sender groups described in
default, your Cisco IronPort appliance ships with the predefined mail flow
policies and sender groups described in
.
In
you will use the predefined sender
groups and mail flow policies to quickly and powerfully classify the mail flowing
through your gateway, enabling real-time changes to a listener’s HAT.
through your gateway, enabling real-time changes to a listener’s HAT.
Accept Untagged Bounces
NO
Envelope Sender DNS Verification
OFF
Use Exception Table
OFF
Table 5-6
HAT Default Policy Parameters for Private Listeners
Parameters
Default Value