Cisco Cisco Email Security Appliance C170 Betriebsanweisung
Chapter 8 Anti-Spam
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Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
quarantine, or bounce unwanted marketing message. You also have the option to
tag unwanted marketing messages by adding text to the message’s subject to
identify it as marketing.
tag unwanted marketing messages by adding text to the message’s subject to
identify it as marketing.
Headers Added by IronPort Anti-Spam and Intelligent Multi-Scan
If IronPort Anti-Spam scanning or Intelligent Multi-Scan is enabled for a mail
policy, each message that passes through that policy will have the following
header added to the message:
policy, each message that passes through that policy will have the following
header added to the message:
A second header will also be inserted for each message filtered by IronPort
Anti-Spam or Intelligent Multi-Scan. This header contains information that
allows Cisco IronPort Support to identify the CASE rules and engine version used
to scan the message:
Anti-Spam or Intelligent Multi-Scan. This header contains information that
allows Cisco IronPort Support to identify the CASE rules and engine version used
to scan the message:
IronPort Intelligent Multi-Scan also adds headers from the third-party anti-spam
scanning engines.
scanning engines.
In addition, using the Email Security Manager feature, you can define an
additional custom header to be added to all messages for a given policy that are
positively identified as spam, suspected to be spam, or identified as unwanted
marketing mail. (See
additional custom header to be added to all messages for a given policy that are
positively identified as spam, suspected to be spam, or identified as unwanted
marketing mail. (See
.)
You can also create message filters that use the
skip-spamcheck
action so that
certain messages skip IronPort Anti-Spam scanning. For more information, refer
to “Bypass Anti-Spam System Action” in “Using Message Filters to Enforce
Email Policies,” of the Cisco IronPort AsyncOS for Email Advanced
Configuration Guide.
to “Bypass Anti-Spam System Action” in “Using Message Filters to Enforce
Email Policies,” of the Cisco IronPort AsyncOS for Email Advanced
Configuration Guide.
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam: result