Руководство Пользователя для Cisco Cisco Email Security Appliance C170

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Cisco AsyncOS 8.5.5 for Email Security User Guide
 
Chapter 23      Configuring Routing and Delivery Features
  Controlling Email Delivery Using Destination Controls
Importing the configuration file overwrites all of appliance’s Destination Control entries, except for the 
default entry unless the configuration file includes the 
[DEFAULT]
 section. All other existing Destination 
Control entries will be deleted.
You can define any of the following parameters for a domain in the configuration file. All parameters are 
required for the 
[DEFAULT]
 section except for the 
bounce_profile
 parameter:
Table 23-9
Destination Control Configuration File Parameters
Parameter Name
Description
ip_sort_pref
Specifies the Internet Protocol version for the domain.
Enter one of the following values:
PREFER_V6
 for “IPv6 Preferred”
REQUIRE_v6
 for “IPv6 Required”
PREFER_V4
 for “IPv4 Preferred”
REQUIRE_v4
 for “IPv4 Required”
max_host_concurrency
The maximum number of outbound connections that will 
be made by the appliance to a given host.
If you define this parameter for a domain, the 
limit_type
 
and 
limit_apply
 parameters must also be defined.
max_messages_per_connection
The maximum number of messages allowed for a single 
outbound connection from the appliance to a given host 
before initiating a new connection.
recipient_minutes
The period of time — between 1 and 60 minutes — that the 
appliance will count the number of recipients. Leave 
undefined if no recipient limit should be applied.
recipient_limit
The maximum number of recipients allowed within the 
given period of time. Leave undefined if no recipient limit 
should be applied.
If you define this parameter for a domain, the 
recipient_minutes
limit_type
, and 
limit_apply
 
parameters must also be defined.
limit_type
Specifies whether the limit will be applied to the entire 
domain or to each mail exchange IP address specified for 
that domain.
Enter one of the following values:
0
 (or 
host
) for the domain
1
 (or 
MXIP
) for the mail exchange IP address
limit_apply
Specifies whether the limit will be applied system-wide or 
for each Virtual Gateway address.
Enter one of the following values:
0
 (or 
system
) for system-wide
1
 (or 
VG
) for Virtual Gateway