Cisco Cisco Email Security Appliance C160 Mode D'Emploi
1-23
Cisco IronPort AsyncOS 7.1 for Email Advanced Configuration Guide
OL-22164-02
Chapter 1 Customizing Listeners
SenderBase Settings and HAT Mail Flow Policies
In order to classify connections to the appliance and apply mail flow policies
(which may or may not contain rate limiting), a listener's Host Access Table
(HAT) uses the following methodology:
(which may or may not contain rate limiting), a listener's Host Access Table
(HAT) uses the following methodology:
Classification -> Sender Group -> Mail Flow Policy -> Rate
Limiting
Limiting
For more information, refer to “Sender Groups Defined by Network Owners,
Domains, and IP Addresses” in the “Configuring the Gateway to Receive Email”
chapter of the Cisco IronPort AsyncOS for Email Configuration Guide.
Domains, and IP Addresses” in the “Configuring the Gateway to Receive Email”
chapter of the Cisco IronPort AsyncOS for Email Configuration Guide.
Use anti-spam
scanning
scanning
spam_check
on | off
off
Use virus scanning
virus_check
on | off
off
Maximum Recipients
per Hour
per Hour
max_rcpts_per_hour
Number
5k
Maximum Recipients
per Hour Error Code
per Hour Error Code
max_rcpts_per_hour_code
Number
452
Maximum Recipients
per Hour Text (*)
per Hour Text (*)
max_rcpts_per_hour_text
String
Too many
recipients
Use SenderBase
use_sb
on | off
on
Define SenderBase
Reputation Score
Reputation Score
sbrs[value1:value2]
-10.0- 10.0
sbrs[-10:-7.5
]
Directory Harvest
Attack Prevention:
Maximum Invalid
Recipients Per Hour
Attack Prevention:
Maximum Invalid
Recipients Per Hour
dhap_limit
Number
150
Table 1-5
Advanced HAT Parameter Syntax
Parameter
Syntax
Values
Example
Values
Values