Cisco Cisco Email Security Appliance C190 Guía Del Usuario
18-2
AsyncOS 9.1.2 for Cisco Email Security Appliances User Guide
Chapter 18 Cisco Email Encryption
How to Encrypt Messages with a Local Key Server
How to Encrypt Messages with a Local Key Server
Related Topics
•
Encryption Workflow
When using email encryption, the Cisco Email Security appliance encrypts a message and stores the
message key on a local key server or a hosted key service. When the recipient opens an encrypted
message, the recipient is authenticated by the key service, and the decrypted message is displayed.
message key on a local key server or a hosted key service. When the recipient opens an encrypted
message, the recipient is authenticated by the key service, and the decrypted message is displayed.
Table 18-1
How to Encrypt Messages with a Local Key Server
Steps
Do This
More Info
Step 1
Set up the Cisco IronPort Encryption appliance
on the network.
on the network.
See
Step 2
Enable message encryption.
.
Step 3
Specify the encryption key server to use and the
security settings for the encrypted messages by
creating an encryption profile.
security settings for the encrypted messages by
creating an encryption profile.
Step 4
Define the conditions that messages must meet
in order for the appliance to encrypt them.
in order for the appliance to encrypt them.
Step 5
Determine when to encrypt messages in the
email workflow.
email workflow.
•
or
•
Step 6
(Optional) Flag messages for additional
security.
security.
.
Step 7
Define groups of users for whom you want to
encrypt messages.
encrypt messages.
Create a mail policy.
See
Step 8
Associate the encryption actions that you
defined with the user groups you defined.
defined with the user groups you defined.
Associate the content filter with the mail policy.
See