Cisco Cisco Email Security Appliance C190 User Guide
5-14
Cisco AsyncOS 8.0.1 for Email User Guide
Chapter 5 Configuring the Gateway to Receive Email
Listening for Connection Requests by Creating a Listener via the CLI
Advanced HAT Parameters
defines the syntax of advanced HAT parameters. Note that for the numeric values below, you
can add a trailing
k
to denote kilobytes or a trailing
M
to denote megabytes. Values with no letters are
considered bytes. Parameters marked with an asterisk support the variable syntax shown in
Table 5-4
Advanced HAT Parameter Syntax
Parameter
Syntax
Values
Example Values
Maximum messages per
connection
connection
max_msgs_per_session
Number
1000
Maximum recipients per
message
message
max_rcpts_per_msg
Number
10000
1k
Maximum message size
max_message_size
Number
1048576
20M
Maximum concurrent
connections allowed to this
listener
connections allowed to this
listener
max_concurrency
Number
1000
SMTP Banner Code
smtp_banner_code
Number
220
SMTP Banner Text (*)
smtp_banner_text
String
Accepted
SMTP Reject Banner Code
smtp_banner_code
Number
550
SMTP Reject Banner Text
(*)
(*)
smtp_banner_text
String
Rejected
Override SMTP Banner
Hostname
Hostname
use_override_hostname
on | off |
default
default
override_hostname
String
newhostname
Use TLS
tls
on | off |
required
on
Use anti-spam scanning
spam_check
on | off
off
Use virus scanning
virus_check
on | off
off
Maximum Recipients per
Hour
Hour
max_rcpts_per_hour
Number
5k
Maximum Recipients per
Hour Error Code
Hour Error Code
max_rcpts_per_hour_code
Number
452
Maximum Recipients per
Hour Text (*)
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
Prevention: Maximum
Invalid Recipients Per
Hour
dhap_limit
Number
150