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Cisco Cisco Email Security Appliance C680 User Guide

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Chapter 12      IronPort Email Encryption
12-386
Cisco IronPort AsyncOS 7.3 for Email Configuration Guide
OL-23078-01
Step 4
The decrypted message is displayed. 
Maximum Message Size for Encryption
 shows the maximum message size that will be accepted for encryption 
on each appliance. The IronPort appliance bounces any message that exceeds the 
maximum size.
Configuring the Email Encryption Profile
To use encryption with the Email Security appliance, you must configure an 
encryption profile. You can enable and configure an encryption profile using the 
encryptionconfig
 CLI command, or via Security Services > IronPort Email 
Encryption in the GUI.
Editing Email Encryption Global Settings
To enable email encryption, complete the following steps.
Step 1
Click Security Services > IronPort Email Encryption.
Step 2
Click Enable.
Step 3
Optionally, click Edit Settings and configure a proxy server.
Table 12-1
Maximum Message Size for Encryption by IronPort Appliance
Model
Max. Message Size (in MBytes)
C150/160
44
C350/360/370
46
C650/660/670 and 
X1050/1060/1070
50