Cisco Cisco Email Security Appliance C160 Mode D'Emploi
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Cisco AsyncOS 8.0.1 for Email User Guide
Chapter 7 Defining Which Hosts Are Allowed to Connect Using the Host Access Table (HAT)
Handling Messages from a Group of Senders in the Same Manner
Searching for Senders
You can find senders by entering text in the Find Senders field at the top of the HAT Overview page.
Enter the text to search with and click Find.
Enter the text to search with and click Find.
Defining Rules for Incoming Messages Using a Mail Flow Policy
Consider the following rules and guidelines before creating a mail flow policy:
•
Defaults for the policy are “greyed out” while the “Use Default” radio button is selected. To
overwrite the default values, enable the feature or setting by selecting the “On” radio button and
making changes to the now accessible values. To define default values, see
overwrite the default values, enable the feature or setting by selecting the “On” radio button and
making changes to the now accessible values. To define default values, see
.
•
Some parameters depend on certain pre-configurations. (For example, the Directory Harvest Attack
prevention setting requires that you have configured an LDAP Acceptance Query.)
prevention setting requires that you have configured an LDAP Acceptance Query.)
Procedure
Step 1
Navigate to the Mail Policies > Mail Flow Policies page.
Step 2
Click Add Policy.
Step 3
Enter the information described in
.
Table 7-8
Mail Flow Policy Parameters
Parameter
Description
Connections
Maximum message size
The maximum size of a message that will be accepted by this listener.
The smallest possible maximum message size is 1 kilobyte.
The smallest possible maximum message size is 1 kilobyte.
Maximum concurrent
connections from a single IP
connections from a single IP
The maximum number of concurrent connections allowed to connect to
this listener from a single IP address.
this listener from a single IP address.
Maximum messages per
connection
connection
The maximum number of messages that can be sent through this listener
per connection from a remote host.
per connection from a remote host.
Maximum recipients per
message
message
That maximum number of recipients per message that will be accepted
from this host.
from this host.
SMTP Banner
Custom SMTP Banner Code
The SMTP code returned when a connection is established with this
listener.
listener.
Custom SMTP Banner Text
The SMTP banner text returned when a connection is established with
this listener.
this listener.
Note
You can use some variables in this field. For more information,
see
see
Custom SMTP Reject Banner
Code
Code
The SMTP code returned when a connection is rejected by this listener.
Custom SMTP Reject Banner
Text
Text
The SMTP banner text returned when a connection is rejected by this
listener.
listener.