Cisco Cisco Email Security Appliance C160 Guía Del Usuario
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Cisco AsyncOS 8.5.5 for Email Security 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 do not know the mail flow policy you would like to apply to this group (or if no mail flow
policies exist yet), then use the default “CONTINUE (no policy)” mail flow policy.
policies exist yet), then use the default “CONTINUE (no policy)” mail flow policy.
Step 8
(Optional) Select a DNS list.
Step 9
(Optional) Include senders for which SBRS has no information. This is referred to as “none” and
generally denotes a suspect.
generally denotes a suspect.
Step 10
(Optional) Enter a DNS list.
Step 11
(Optional) Configure host DNS verification settings.
For more information, see
Step 12
Click Submit and Add Senders to create the group and begin adding senders to it.
Step 13
Enter a sender using an IPv4 address, an IPv6 address, or a hostname. A sender can include a range of
IP addresses and partial hostnames.
IP addresses and partial hostnames.
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.