Cisco Cisco Email Security Appliance X1070 Guia Do Utilizador
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User Guide for AsyncOS 9.8 for Cisco Email Security Appliances
Chapter 22 Text Resources
Content Dictionaries
Text Resources
Text resources are text objects, such as disclaimers, notification templates, and anti-virus templates. You
can create new objects for use in various components of AsyncOS. You can import and export text
resources.
can create new objects for use in various components of AsyncOS. You can import and export text
resources.
Message Disclaimer Stamping
Message disclaimer stamping allows you to add a disclaimer text resource to messages. For example,
you could append a copyright statement, promotional message, or disclaimer to every message sent from
within your enterprise.
you could append a copyright statement, promotional message, or disclaimer to every message sent from
within your enterprise.
Content Dictionaries
Content dictionaries are groups of words or entries that work in conjunction with the Body Scanning
feature on the appliance and are available to both content and message filters. Use the dictionaries you
define to scan messages, message headers, and message attachments for terms included in the dictionary
in order to take appropriate action in accordance with your corporate policies. For example, you could
create a list of confidential or profane words, and, using a filter rule to scan messages that contain words
in the list, drop, archive, or quarantine the message.
feature on the appliance and are available to both content and message filters. Use the dictionaries you
define to scan messages, message headers, and message attachments for terms included in the dictionary
in order to take appropriate action in accordance with your corporate policies. For example, you could
create a list of confidential or profane words, and, using a filter rule to scan messages that contain words
in the list, drop, archive, or quarantine the message.
The AsyncOS operating system includes the ability to define a total of 100 content dictionaries using the
GUI (Mail Policies > Dictionaries) or the CLI’s
GUI (Mail Policies > Dictionaries) or the CLI’s
dictionaryconfig
command. You can create, delete,
and view dictionaries; add and delete entries from a dictionary; and import and export entire dictionaries.
Note that, for efficient processing, the following content dictionary entries are treated as words:
•
Entries containing only alphanumeric characters
•
Email addresses containing the following characters: 0-9, A-Z, a-z, dot, underscore, hyphen, and at
symbol
symbol
•
Domain names containing the following characters: 0-9, A-Z, a-z, dot, underscore, hyphen, and at
symbol
symbol
If you want the appliance to treat such a word as a regular expression, enclose the word in parenthesis,
for example,
for example,
(user@example.com)
.
Related Topics
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