Cisco Cisco Email Security Appliance C170 Guía Del Usuario
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Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Chapter 16 Enabling Your C350D Appliance
Variable Substitution
Any part of the message body, including message headers, can contain variables
for substitution. Variables can appear in HTML messages, as well. Variables are
user-defined and must begin with the ampersand (
for substitution. Variables can appear in HTML messages, as well. Variables are
user-defined and must begin with the ampersand (
&
) character and end with the
semi-colon character (
;
). Variable names beginning with an asterisk (
*
) are
reserved and cannot be used.
Reserved Variables
IPMM contains five special “reserved” variables that are predefined.
For example, the following example message body (including headers) contains
four distinct variables and five substitution locations that will be replaced in the
final message. Note that the same variable may be used more than once in the
message body. Also, the reserved variable
four distinct variables and five substitution locations that will be replaced in the
final message. Note that the same variable may be used more than once in the
message body. Also, the reserved variable
&*TO;
is used, which will be replaced
with the recipient email address. This reserved variable does not need to be passed
in as a separate variable. The variables in the example appear in bold.
in as a separate variable. The variables in the example appear in bold.
Table 16-2
IPMM: Reserved Variables
*FROM
The reserved variable *FROM is derived from the “Envelope From”
parameter. The “Envelope From” parameter is set by the “XMRG
FROM:” command.
parameter. The “Envelope From” parameter is set by the “XMRG
FROM:” command.
*TO
The reserved variable *TO is derived from the envelope recipient
value, as set by the “RCPT TO:” command.
value, as set by the “RCPT TO:” command.
*PARTS
The reserved variable *PARTS holds a comma separated list of
parts. It is set prior to defining a recipient with the “RCPT TO:” and
determines which of the “XPRT n” message body blocks a given
user will receive.
parts. It is set prior to defining a recipient with the “RCPT TO:” and
determines which of the “XPRT n” message body blocks a given
user will receive.
*DATE
The reserved variable *DATE is replaced with the current date
stamp.
stamp.
*DK
The reserved variable
*DK
is used to specify a DomainKeys Signing
profile (this profile must already exist in AsyncOS). For more
information about creating DomainKeys Signing profiles, see the
“Email Authentication” chapter in Cisco IronPort AsyncOS for
Email Advanced Configuration Guide.
information about creating DomainKeys Signing profiles, see the
“Email Authentication” chapter in Cisco IronPort AsyncOS for
Email Advanced Configuration Guide.