Cisco Cisco Email Security Appliance C650 Guía Del Usuario
5-13
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
OL-25136-01
Chapter 5 Configuring the Gateway to Receive Email
and
for
each listener on the appliance.
Note
If anti-spam or anti-virus scanning is enabled globally in the HAT, messages are flagged for anti-spam
or anti-virus scanning as they are accepted by the Cisco IronPort appliance. If anti-spam or anti-virus
scanning is disabled after the message is accepted, the message will still be subject to scanning when it
leaves the work queue.
or anti-virus scanning as they are accepted by the Cisco IronPort appliance. If anti-spam or anti-virus
scanning is disabled after the message is accepted, the message will still be subject to scanning when it
leaves the work queue.
HAT Variable Syntax
defines a set of variables that can also be used in conjunction with the custom SMTP and Rate
Limiting banners defined for a Mail Flow Policy. Variable names are case-insensitive. (That is,
$group
is equivalent to
$Group
.)
Using HAT Variables
Note
These variables can be used with the
smtp_banner_text
and
max_rcpts_per_hour_text
advanced HAT
parameters shown in Table 1-3 of the “Customizing Listeners” chapter in the Cisco IronPort AsyncOS
for Email Advanced Configuration Guide.
for Email Advanced Configuration Guide.
Envelope Sender DNS Verification
See
.
Exception Table
Use Exception Table
Use the sender verification domain exception table. You can only have
one exception table, but you can enable it per mail flow policy. See
one exception table, but you can enable it per mail flow policy. See
for more information.
Table 5-3
HAT Mail Flow Policy Parameters (Continued)
Parameter
Description
Table 5-4
HAT Variable Syntax
Variable
Definition
$Group
Replaced by the name of the sender group that was matched in the HAT. If the sender
group has no name, “None” is displayed.
group has no name, “None” is displayed.
$Hostname
Replaced by the remote hostname if and only if is has been validated by the Cisco
IronPort appliance. If the reverse DNS lookup of the IP address is successful but
returns no hostname, then “None” is displayed. If the reverse DNS lookup fails (for
example, if the DNS server cannot be reached, or no DNS server has been configured)
then “Unknown” is displayed.
IronPort appliance. If the reverse DNS lookup of the IP address is successful but
returns no hostname, then “None” is displayed. If the reverse DNS lookup fails (for
example, if the DNS server cannot be reached, or no DNS server has been configured)
then “Unknown” is displayed.
$OrgID
Replaced by the SenderBase Organization ID (an integer value).
If the Cisco IronPort appliance cannot obtain a SenderBase Organization ID, or if the
SenderBase Reputation Service did not return a value, “None” is displayed.
SenderBase Reputation Service did not return a value, “None” is displayed.
$RemoteIP
Replaced by the IP address of the remote client.
$HATEntry
Replaced by the entry in the HAT that the remote client matched.