Cisco Cisco Email Security Appliance C160 Mode D'Emploi

You can specify whether the Cisco IronPort appliance sends an alert if the TLS negotiation fails when 
delivering messages to a domain that requires a TLS connection. The alert message contains name of the 
destination domain for the failed TLS negotiation. The Cisco IronPort appliance sends the alert message 
to all recipients set to receive Warning severity level alerts for System alert types. You can manage alert 
recipients via the System Administration > Alerts page in the GUI (or via the 

alertconfig

 command in 

the CLI).

To enable TLS connection alerts, click Edit Global Settings on the Destination Controls page or 

destconfig -> setup

 subcommand. This is a global setting, not a per-domain setting. For information 

on the messages that the appliance attempted to deliver, use the Monitor > Message Tracking page or the 
mail logs.

You must specify a certificate to use for all outgoing TLS connections. Use the Edit Global Settings on 
the Destination Controls page or 

destconfig -> setup

 subcommand to specify the certificate. For 

information on obtaining a certificate, see 

.

For more information on alerts, see the “System Administration” chapter of the Cisco IronPort AsyncOS 
for Email Configuration Guide.

You can specify whether or not mail sent is tagged for bounce verification. You can specify this for the 
default, as well as specific destinations. Cisco IronPort suggests enabling bounce verification for the 
default, and then creating new destinations for specific exclusions. See 

 for more information.

In addition to controlling the number of connections and recipients will deliver to a remote host, you can 
also specify a bounce profile to be used for that domain. If specified, the bounce profile appears in the 
fifth column of the 

destconfig

 command. If you do not specify a bounce profile, the default bounce 

profile will be used. For more information, see 

.

To add a new Destination Control entry:

Click Add Destination:

Configure the entry.

Submit and commit your changes.

To edit a Destination Control entry,

Click the domain name in the Domain column on the Destination Control page.

Make your changes.

Submit and commit your changes.