Cisco Cisco Email Security Appliance C160 Mode D'Emploi
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Cisco AsyncOS 9.5 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
Procedure
Step 1
Navigate to the Mail Policies > HAT Overview page.
Step 2
Choose the listener to edit in the Listener field.
Step 3
Click Edit Order.
Step 4
Type the new order for existing rows of sender groups in the HAT.
Cisco recommends maintaining the default order: RELAYLIST (certain hardware models only),
followed by WHITELIST, BLACKLIST, SUSPECTLIST, and UNKNOWNLIST.
followed by WHITELIST, BLACKLIST, SUSPECTLIST, and UNKNOWNLIST.
Step 5
Submit and commit your changes.
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.