Cisco Cisco Email Security Appliance C680 User Guide

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11-8
Cisco AsyncOS 9.1 for Email User Guide
 
Chapter 11      Content Filters
  How Content Filters Work
Envelope Sender 
Envelope Sender. Does the Envelope Sender (i.e., the Envelope From, 
<MAIL FROM>) match a given pattern?
Matches LDAP group. Is the Envelope Sender, i.e., the Envelope From, 
<MAIL FROM>) in a given LDAP group?
Contains term in content dictionary. Does the envelope sender contain 
any of the regular expressions or terms in the content dictionary named 
<dictionary name>?
To search for dictionary terms, the dictionary must already have been 
created. See 
.
Note
The dictionary-related conditions are only available if you have 
one or more dictionaries enabled. For information about creating 
content dictionaries, see 
Envelope Recipient
Envelope Recipient. Does the Envelope Recipient, (i.e. the Envelope To, 
<RCPT TO>) match a given pattern?
Matches LDAP group. Is the Envelope Recipient, (i.e. the Envelope To, 
<RCPT TO>) in a given LDAP group?
Contains term in content dictionary. Does the envelope recipient contain 
any of the regular expressions or terms in the content dictionary named 
<dictionary name>?
To search for dictionary terms, the dictionary must already have been 
created. See 
.
Note
The dictionary-related conditions are only available if you have 
one or more dictionaries enabled. For information about creating 
content dictionaries, see 
Note: The Envelope Recipient rule is message-based. If a message has 
multiple recipients, only one recipient has to be found in a group for the 
specified action to affect the message to all recipients.
Is the Envelope Sender (i.e., the Envelope From, <MAIL FROM>) in a 
given LDAP group?
Receiving Listener
Did the message arrive via the named listener? The listener name must be 
the name of a listener currently configured on the system. 
Table 11-1
Content Filter Conditions  (continued)
Condition
Description