Cisco Cisco Email Security Appliance C160 Mode D'Emploi

The Recipient Access Table defines which recipients are accepted by a public listener. At a minimum, 
the table specifies the address and whether to accept or reject it. 

The Recipient Access Table (RAT) page shows a listing of the entries in the RAT including the order, 
default action, and whether or not the entry has been configured to bypass LDAP accept queries.

Navigate to Mail Policies > Recipient Access Table (RAT).

Use the 

listenerconfig

 command with the 

edit > rcptaccess > new

 subcommands.

Set up a public listener.

Plan edits with caution, ensuring you do not create an open relay on the Internet. An open relay 
(sometimes called an “insecure relay” or a “third-party” relay) is an SMTP email server that allows 
third-party relay of email messages. By processing mail that is neither for — nor from — a local 
user, an open relay makes it possible for an unscrupulous sender to route large volumes of spam 
through your gateway. By default, the RAT rejects all recipients to prevent creation of an open relay.

Note that you cannot delete the default entry from the RAT.

Navigate to Mail Policies > Recipient Access Table (RAT).

Click All Other Recipients.