Cisco Cisco Email Security Appliance C170 ユーザーガイド
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User Guide for AsyncOS 10.0 for Cisco Email Security Appliances
Chapter 9 Using Message Filters to Enforce Email Policies
Message Filter Actions
Alter Source Host (Virtual Gateway address) Action
The
alt-src-host
action changes the source host for the message to the source specified. The source
host consists of the IP interface or group of IP interfaces that the messages should be delivered from. If
a group of IP interfaces is selected, the system round-robins through all of the IP interfaces within the
group as the source interface when delivering email. In essence, this allows multiple Virtual Gateway
addresses to be created on a single Cisco Email Security appliance. For more information, see
a group of IP interfaces is selected, the system round-robins through all of the IP interfaces within the
group as the source interface when delivering email. In essence, this allows multiple Virtual Gateway
addresses to be created on a single Cisco Email Security appliance. For more information, see
.
The IP interface may only be changed to an IP interface or interface group currently configured in the
system. the following filter creates a Virtual Gateway using the outbound (delivery) IP interface
system. the following filter creates a Virtual Gateway using the outbound (delivery) IP interface
outbound2
for all messages received from a remote host with the IP address
1.2.3.4
.
The following filter uses the IP interface group
Group1
for all messages received from a remote host with
the IP address
1.2.3.4
.
Archive Action
The
archive
action saves a copy of the original message, including all message headers and recipients
into an mbox-format file on the appliance. The action takes a parameter that is the name of the log file
in which to save the message. The system automatically creates a log subscription with the specified
filename when you create the filter, or you can also specify an existing filter log file. After the filter and
the filter log file are created, the filter log options may then be edited with the
in which to save the message. The system automatically creates a log subscription with the specified
filename when you create the filter, or you can also specify an existing filter log file. After the filter and
the filter log file are created, the filter log options may then be edited with the
filters -> logconfig
subcommand.
Note
The
logconfig
command is a subcommand of
filters
. See
for a full description of how to use this subcommand.
alt-mailhost('192.168.12.5');
}
externalFilter:
if(remote-ip == '1.2.3.4')
{
alt-src-host('outbound2');
}
groupFilter:
if(remote-ip == '1.2.3.4')
{
alt-src-host('Group1');
}