Cisco Cisco Email Security Appliance C190 Guía Del Usuario
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?
<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?
<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>?
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
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
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?
<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?
<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>?
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
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
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.
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?
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.
the name of a listener currently configured on the system.
Table 11-1
Content Filter Conditions (continued)
Condition
Description