Cisco Cisco Email Security Appliance C160 Mode D'Emploi

The Virtual Gateway technology enables users to separate the appliance into multiple Virtual Gateway 
addresses from which to send and receive email. Each Virtual Gateway address is given a distinct IP 
address, hostname and domain, and email delivery queue.

For more information, see “Using Virtual Gateway™ Technology” in the “Configuring Routing and 
Delivery Features” chapter.

Use the 

deliveryconfig

 command to set limits on delivery, based on which IP interface to use when 

delivering and the maximum number of concurrent connections the appliance makes for outbound 
message delivery. 

For more information, see “Set Email Delivery Parameters” in the “Configuring Routing and Delivery 
Features” chapter.

For each domain, you can assign a maximum number of connections and recipients that will never be 
exceeded by the system in a given time period. This “good neighbor” table is defined through the Mail 
Policies > Destination Controls page (or the 

destconfig

 command).

For more information, see “Controlling Email Delivery” in the “Configuring Routing and Delivery 
Features” chapter.

Use the Network > SMTP Routes page (or the 

smtproutes

 command) to redirect all email for a particular 

domain to a specific mail exchange (MX) host, without rewriting the envelope recipient.

For more information, see “Routing Email for Local Domains” in the “Configuring Routing and 
Delivery Features” chapter.

Use Global Unsubscribe to ensure that specific recipients, recipient domains, or IP addresses never 
receive messages from the appliance. If Global Unsubscribe is enabled, the system will check all 
recipient addresses against a list of “globally unsubscribed” users, domains, email addresses, and IP 
Addresses. Matching emails are not sent.