Cisco Cisco Email Security Appliance X1070 Guía Del Usuario
12-21
Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Chapter 12 Cisco IronPortEmail Encryption
Encryption Headers Examples
This section provides examples of encryption headers.
X-PostX-Use-Script
Indicates whether to send
JavaScript-free envelopes. A
JavaScript-free envelope is a
Registered Envelope that does not
include the JavaScript that is used to
open envelopes locally on the
recipient's computer. The recipient
must use either the Open Online
method or the Open by Forwarding
method to view the message. Use this
header if a recipient domain's
gateway strips JavaScript and makes
the encrypted message
unopenable.This header adds an
encryption setting to the message.
JavaScript-free envelopes. A
JavaScript-free envelope is a
Registered Envelope that does not
include the JavaScript that is used to
open envelopes locally on the
recipient's computer. The recipient
must use either the Open Online
method or the Open by Forwarding
method to view the message. Use this
header if a recipient domain's
gateway strips JavaScript and makes
the encrypted message
unopenable.This header adds an
encryption setting to the message.
A Boolean for whether
the JavaScript applet
should be included or not.
Set to
the JavaScript applet
should be included or not.
Set to
false
to send a
JavaScript-free envelope.
The default value is
The default value is
true
.
X-PostX-Remember-Envel
ope-Key-Checkbox
Indicates whether to allow
envelope-specific key caching for
offline opening of envelopes. With
envelope key caching, the decryption
key for a particular envelope is
cached on the recipient’s computer
when the recipient enters the correct
password and selects the “Remember
the password for this envelope” check
box. After that, the recipient does not
need to enter a password again to
reopen the envelope on the computer.
This header adds an encryption
setting to the message.
envelope-specific key caching for
offline opening of envelopes. With
envelope key caching, the decryption
key for a particular envelope is
cached on the recipient’s computer
when the recipient enters the correct
password and selects the “Remember
the password for this envelope” check
box. After that, the recipient does not
need to enter a password again to
reopen the envelope on the computer.
This header adds an encryption
setting to the message.
A Boolean for whether to
enable envelope key
caching and display the
“Remember the password
for this envelope” check
box. The default value is
enable envelope key
caching and display the
“Remember the password
for this envelope” check
box. The default value is
false
.
Table 12-2
Email Encryption Headers
MIME Header
Description
Value