Cisco Cisco Content Security Management Appliance M160 ユーザーガイド
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Cisco IronPort AsyncOS 8.0 for Security Management User Guide
Chapter 4 Using Centralized Email Security Reporting
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.
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 4-20
Inbound SMTP Authentication Page
Rate Limits Page
Rate Limiting by envelope sender allows you to limit the number of email messages per time interval
from an individual sender, based on the mail-from address. The Email > Reporting > Rate Limits page
allows you to quickly identify individual senders of large numbers of messages. Use this report to help
you to:
from an individual sender, based on the mail-from address. The Email > Reporting > Rate Limits page
allows you to quickly identify individual senders of large numbers of messages. Use this report to help
you to:
•
Control spam from internal user accounts, for example in cases when a user's credentials are
compromised and the account is used to send spam in bulk.
compromised and the account is used to send spam in bulk.
•
Identify compromised user accounts.
•
Limit out-of-control applications that use email for notifications, alerts, automated statements, etc.
•
Avoid damaging your organization’s online reputation and the attendant hassles resulting from this
situation
situation
Rate Limiting settings, including “Rate Limit for Envelope Senders” settings, are configured on the
Email Security appliance in Mail Policies > Mail Flow Policies. For more information on rate limiting,
see the Cisco IronPort AsyncOS for Email Security Configuration Guide.
Email Security appliance in Mail Policies > Mail Flow Policies. For more information on rate limiting,
see the Cisco IronPort AsyncOS for Email Security Configuration Guide.