Cisco Cisco Email Security Appliance C160 Mode D'Emploi
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Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
OL-23081-01
Chapter 6 Using Message Filters to Enforce Email Policies
Receiving Listener Rule
The
recv-listener
rule selects those messages received on the named listener.
The listener name must be the nickname of one of the listeners currently
configured on the system. For example, the following filter immediately delivers
any message arriving from the listener named
configured on the system. For example, the following filter immediately delivers
any message arriving from the listener named
expedite
.
expediteFilter:
if (recv-listener == 'expedite')
{
skip_filters();
}
Receiving IP Interface Rule
The
recv-int
rule selects those messages received via the named interface. The
interface name must be the nickname of one of the interfaces currently configured
for the system. For example, the following filter bounces any message arriving
from the interface named
for the system. For example, the following filter bounces any message arriving
from the interface named
outside
.
outsideFilter:
if (recv-int == 'outside')
{
bounce();
}
Date Rule
The
date
rule checks the current time and date against a time and date you specify.
The date rule is compares against a string containing a timestamp of the format
MM/DD/YYYY hh:mm:ss. This is useful to specify actions to be performed before
or after certain times in US format. (Note that there may be an issue if you are
or after certain times in US format. (Note that there may be an issue if you are