Cisco Cisco Content Security Management Appliance M1070 ユーザーガイド
4-37
AsyncOS 8.1 for Cisco Content Security Management User Guide
Chapter 4 Using Centralized Email Security Reporting
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.
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.
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
number of connection attempts using the SMTP AUTH command that were successful or failed, and the
number that fell back to the SMTP AUTH after their client certificate connection attempt failed. You can
use the links at the top of the page to display this information by domain name or domain IP address.
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
number of connection attempts using the SMTP AUTH command that were successful or failed, and the
number that fell back to the SMTP AUTH after their client certificate connection attempt failed. You can
use the links at the top of the page to display this information by domain name or domain IP address.
Figure 4-13
Inbound SMTP Authentication Page
Rate Limits Page
Rate Limiting by envelope sender allows you to limit the number of email message recipients per time
interval from an individual sender, based on the mail-from address. The Rate Limits report shows you
the senders who most egregiously exceed this limit.
interval from an individual sender, based on the mail-from address. The Rate Limits report shows you
the senders who most egregiously exceed this limit.
Use this report to help you identify the following:
•
Compromised user accounts that might be used to send spam in bulk.