Cisco Cisco Email Security Appliance C160 Mode D'Emploi

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Cisco IronPort AsyncOS 7.1 for Email Advanced Configuration Guide
OL-22164-02
Chapter 5      Using Message Filters to Enforce Email Policies
Note
The 
rcpt-to
 rule is message-based. If a message has multiple recipients, only one 
recipient has to match the rule for the specified action to affect the message to all 
recipients. 
Envelope Recipient in Group Rule
The 
rcpt-to-group
 rule selects those messages where any Envelope Recipient is 
found to be a member of the LDAP group given. For example, the following filter 
drops all messages sent with an email address within the LDAP group 
“ExpiredAccounts.”
expiredFilter:
   if (rcpt-to-group == 'ExpiredAccounts')
   {
        drop();
   }
Note
The 
rcpt-to-group
 rule is message-based. If a message has multiple recipients, 
only one recipient has to match the rule for the specified action to affect the 
message to all recipients. 
Envelope Sender Rule
The 
mail-from
 rule selects those messages where the Envelope Sender matches 
the given regular expression. For example, the following filter immediately 
delivers any message sent by 
admin@yourdomain.com
.
        drop();
   }