Cisco Cisco Email Security Appliance C160 Guía Del Usuario
12-13
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
OL-25136-01
Chapter 12 Cisco IronPortEmail Encryption
X-PostX-Forward-Enabled
Indicates whether to enable secure
message forwarding and displays the
Forward button in the message bar. This
header overrides the default profile
setting.
message forwarding and displays the
Forward button in the message bar. This
header overrides the default profile
setting.
A Boolean for whether to
display the Forward button.
Set to
display the Forward button.
Set to
true
to display the
button. The default value is
false
.
X-PostX-Send-Return-Recei
pt
Indicates whether to enable read receipts.
The sender receives a receipt when
recipients open the Secure Envelope.
This header overrides the default profile
setting.
The sender receives a receipt when
recipients open the Secure Envelope.
This header overrides the default profile
setting.
A Boolean for whether to
send a read receipt. Set to
send a read receipt. Set to
true
to display the button.
The default value is
false
.
X-PostX-ExpirationDate
Defines a Registered Envelope’s
expiration date before sending it. The key
server restricts access to the Registered
Envelope after the expiration date. The
Registered Envelope displays a message
indicating that the message has expired.
This header adds an encryption setting to
the message.
expiration date before sending it. The key
server restricts access to the Registered
Envelope after the expiration date. The
Registered Envelope displays a message
indicating that the message has expired.
This header adds an encryption setting to
the message.
If you use Cisco Registered Envelope
Service, you can log in to the website at
Service, you can log in to the website at
http://res.cisco.com
and use the
message management features to set,
adjust, or eliminate the expiration dates
of messages after you send them.
adjust, or eliminate the expiration dates
of messages after you send them.
A string value containing
relative date or time. Use the
relative date or time. Use the
+HH:MM:SS
format for
relative hours, minutes, and
seconds, and the
seconds, and the
+D
format
for relative days. By default,
there is no expiration date.
there is no expiration date.
X-PostX-ReadNotificationD
ate
Defines the Registered Envelope’s “read
by” date before sending it. The local key
server generates a notification if the
Registered Envelope has not been read by
this date. Registered Envelopes with this
header do not work with Cisco
Registered Envelope Service, only a local
key server. This header adds an
encryption setting to the message.
by” date before sending it. The local key
server generates a notification if the
Registered Envelope has not been read by
this date. Registered Envelopes with this
header do not work with Cisco
Registered Envelope Service, only a local
key server. This header adds an
encryption setting to the message.
A string value containing
relative date or time. Use the
relative date or time. Use the
+HH:MM:SS
format for
relative hours, minutes, and
seconds, and the
seconds, and the
+D
format
for relative days. By default,
there is no expiration date.
there is no expiration date.
X-PostX-Suppress-Applet-F
or-Open
Indicates whether to disable the
decryption applet. The decryption applet
causes message attachments to be opened
in the browser environment. Disabling
the applet causes the message attachment
to be decrypted at the key server. If you
disable this option, messages may take
longer to open, but they are not
dependent on the browser environment.
This header overrides the default profile
setting.
decryption applet. The decryption applet
causes message attachments to be opened
in the browser environment. Disabling
the applet causes the message attachment
to be decrypted at the key server. If you
disable this option, messages may take
longer to open, but they are not
dependent on the browser environment.
This header overrides the default profile
setting.
A Boolean for whether to
disable the decryption
applet. Set to
disable the decryption
applet. Set to
true
to disable
the applet. The default value
is
is
false
.
Table 12-2
Email Encryption Headers
MIME Header
Description
Value