Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

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Cisco AsyncOS 8.0.1 for Email User Guide
 
Chapter 26      Using Email Security Monitor
  Email Security Monitor Pages
Figure 26-19
TLS Connections Report-Incoming Connections
Inbound SMTP Authentication Page
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.