Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
Chapter 5 Using Message Filters to Enforce Email Policies
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Cisco IronPort AsyncOS 7.1 for Email Advanced Configuration Guide
OL-22164-02
Note
The regular expression for the
mail-from
rule is case insensitive. Note that the
period character is escaped in the following example.
kremFilter:
if (mail-from == '^admin@yourdomain\\.com$')
{
skip_filters();
}
Envelope Sender in Group Rule
The
mail-from-group
rule selects those messages where the Envelope Sender is
found to be in an LDAP group given on the right side of the operator (or, in the
case of inequality, where the sender’s email address is not in the given LDAP
group). For example, the following filter immediately delivers any message sent
by someone whose email address is in the LDAP group “KnownSenders.”
case of inequality, where the sender’s email address is not in the given LDAP
group). For example, the following filter immediately delivers any message sent
by someone whose email address is in the LDAP group “KnownSenders.”
SenderLDAPGroupFilter:
if (mail-from-group == 'KnownSenders')
{
skip_filters();
}
Sender Group Rule
The
sendergroup
message filter selects a message based on which sender group
was matched in a listener's Host Access Table (HAT). This rule uses '==' (for
matching) or '!=' (for not matching) to test for matching a given regular expression
matching) or '!=' (for not matching) to test for matching a given regular expression