Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
12-15
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
OL-25136-01
Chapter 12 Cisco IronPortEmail Encryption
Enabling Message Expiration
To configure a message so that it expires 24 hours after you send it, insert the following header into the
message:
message:
X-PostX-ExpirationDate: +24:00:00
The recipient can open and view the content of the encrypted message during the 24-hour period after
you send it. After that, the Registered Envelope displays a message indicating that the envelope has
expired.
you send it. After that, the Registered Envelope displays a message indicating that the envelope has
expired.
Disabling the Decryption Applet
To disable the decryption applet and have the message attachment decrypted at the key server, insert the
following header into the message:
following header into the message:
X-PostX-Suppress-Applet-For-Open: true
Note
The message may take longer to open when you disable the decryption applet, but it is not dependent on
the browser environment.
the browser environment.