Cisco Cisco Email Security Appliance C190 Guía Del Usuario
6-6
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
OL-25136-01
Chapter 6 Email Security Manager
messages will be handled by a few additional “exception” policies. In this manner, message splintering
will be minimized and you are less likely to impact system performance from the processing of each
splinter message in the work queue.
will be minimized and you are less likely to impact system performance from the processing of each
splinter message in the work queue.
Contents of Policies
Email Security Manager tables match incoming or outgoing messages for specific groups of users
(Envelope Recipients, Envelope Sender, From: header, or Reply-To: header) and map them to specific
settings for the following features:
(Envelope Recipients, Envelope Sender, From: header, or Reply-To: header) and map them to specific
settings for the following features:
•
Anti-Spam Scanning — See
for more information.
•
Anti-Virus Scanning — See
for more information.
•
Content Filters — See
for more information.
•
Outbreak Filters
Cisco IronPort’s Outbreak Filters feature is a predictive security service that provides a “first line of
defense” against new virus, phishing, and scam outbreaks by quarantining suspicious messages until
traditional anti-virus and anti-spam security services can be updated to detect them. You can enable
or disable Outbreak filters for given recipients, and also define the file types that will bypass the
Outbreak Filters feature in Email Security Manager. See
defense” against new virus, phishing, and scam outbreaks by quarantining suspicious messages until
traditional anti-virus and anti-spam security services can be updated to detect them. You can enable
or disable Outbreak filters for given recipients, and also define the file types that will bypass the
Outbreak Filters feature in Email Security Manager. See
for more
information.
•
Data Loss Prevention — See
for more information.
illustrates the Email Security Manager in the GUI that maps users defined in a policy to
specific Anti-Spam, Anti-Virus, Outbreak Filter, DLP, and Content Filters settings.
Figure 6-1
Summary of Email Security Manager Policies in the GUI
Content Filters Overview
Email Security Manager policies allow you to create content filters to be applied to messages on a
per-recipient or per-sender basis. Content filters are similar to message filters, except that they are
applied later in the email pipeline — after a message has been “splintered” into a number of separate
per-recipient or per-sender basis. Content filters are similar to message filters, except that they are
applied later in the email pipeline — after a message has been “splintered” into a number of separate