Руководство Пользователя для Cisco Cisco Content Security Management Appliance M160

The Inbound SMTP Authentication page shows the use of client certificates and the SMTP AUTH 
command to authenticate SMTP sessions between the Email Security appliance and users’ mail clients. 
If the appliance accepts the certificate or SMTP AUTH command, it will establish a TLS connection to 
the mail client, which the client will use to send a message. Since it is not possible for the appliance to 
track these attempts on a per-user basis, the report shows details on SMTP authentication based on the 
domain name and domain IP address. 

Use this report to determine the following information:

Overall, how many incoming connection use SMTP authentication? 

How many connections use a client certificated?

How many connections use SMTP AUTH?

What domains are failing to connect when attempting to use SMTP authentication? 

How many connections are successfully using the fall-back when SMTP authentication fails?

The Inbound SMTP Authentication page includes a graph for received connections, a graph for mail 
recipients who attempted an SMTP authentication connection, and a table with details on the attempts 
to authenticate connections. 

The Received Connections graph shows the incoming connections from mail clients that attempt to 
authentication their connections using SMTP authentication over the time range you specify. The graph 
displays the total number of connections the appliance received, the number that did not attempt to 
authenticate using SMTP authentication, the number that failed and succeeded to authenticate the 
connection using a client certificate, and the number that failed and succeeded to authenticate using the 
SMTP AUTH command. 

The Received Recipients graph displays the number of recipients whose mail clients attempted to 
authenticate their connections to the Email Security appliances to send messages using SMTP 
authentication. The graph also show the number of recipients whose connections were authenticated and 
and the number of recipients whose connections were not authenticated.

The SMTP Authentication details table displays details for the domains whose users attempt to 
authenticate their connections to the Email Security appliance to send messages. For each domain, you 
can view the number of connection attempts using a client certificate that were successful or failed, the 

This table displays the total volume of outgoing messages, the 
volume of encrypted and unencrypted messages, and the 
volume of successful and failed outgoing TLS encrypted 
messages. 

This table shows the total volume of outgoing messages

The table displays details for domains sending or receiving 
encrypted messages. For each domain, you can view the total 
number of connections, messages sent, and the number of 
TLS connections that were successful or failed, and the last 
TLS status. You can also view the percentage of successful 
and failed connections for each domain.