Cisco Cisco Email Security Appliance C650 Guía Del Usuario
7-14
Cisco AsyncOS 9.0 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
Note
If you attempt to enter duplicate entries (identical domain or IP addresses) in a single sender
group, the duplicates are discarded.
group, the duplicates are discarded.
Step 14
(Optional) Enter a comment.
Step 15
Submit and commit your changes.
Related Topics
•
Adding a Sender to an Existing Sender Group
Procedure
Step 1
From a domain, IP, or network owner profile page, click the Add to Sender Group link.
Step 2
Choose the sender group from the list defined for each listener.
Step 3
Submit and commit your changes.
Note
When you add a domain to a sender group, two actual domains are listed in the GUI. For
example, if you were adding the domain
example, if you were adding the domain
example.net
, on the Add to Sender Group page, both
example.net
and
.example.net
are added. The second entry ensures that any host in the
subdomain of
example.
net will be added to the sender group. For more information, see
.
Note
If one or more of the senders you are adding to a sender group is a duplicate of a sender that is
already present in that sender group, the duplicate senders will not be added and you will see a
confirmation message.
already present in that sender group, the duplicate senders will not be added and you will see a
confirmation message.
Step 4
Click Save to add the sender and return to the Incoming Mail Overview page.
Related Topics
•
•
Rearranging the Order of the Rules to Perform for Incoming Connections
If you add a sender group to a listener, you may need to edit the sender group order.
The HAT is read from top to bottom for each host that attempts to connect to the listener. If a rule
matches a connecting host, the action is taken for that connection immediately.
matches a connecting host, the action is taken for that connection immediately.