Cisco Cisco Email Security Appliance C690 User Guide
Chapter 12 IronPort Email Encryption
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Cisco IronPort AsyncOS 7.1 for Email Configuration Guide
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Step 3
In the Conditions section, click Add Condition.
Step 4
Add a condition to filter the messages that you want to encrypt. For example, to
encrypt sensitive material, you might add a condition that identifies messages
containing particular words or phrases, such as “Confidential,” in the subject or
body.
encrypt sensitive material, you might add a condition that identifies messages
containing particular words or phrases, such as “Confidential,” in the subject or
body.
Step 5
Click OK.
For more details about building conditions, see
Step 6
Optionally, click Add Action and select Add Header to insert an encryption
header into the messages to specify an additional encryption setting.
header into the messages to specify an additional encryption setting.
For more information about encryption headers, see
Step 7
In the Actions section, click Add Action.
Step 8
Select Encrypt on Delivery.
Figure 12-7
Configuring the Encrypt on Delivery Action
Step 9
Select whether to always encrypt messages that meet the condition or to only
encrypt messages if the attempt to send it over a TLS connection fails.
encrypt messages if the attempt to send it over a TLS connection fails.