Cisco Cisco Email Security Appliance C680 User Guide

To enable and customize the Outbreak Filters feature for a particular mail policy, select Enable 
Outbreak Filtering (Customize Settings). 

You can configure the following Outbreak Filter settings for a mail policy:

Quarantine threat level

Maximum quarantine retention time

Deliver non-viral threat messages immediately without adding them to quarantine

File extension types for bypassing

Message modification threshold

Alter subject header using custom text and Outbreak Filter variables such as 

$threat_verdict

,  

$threat_category

, 

$threat_type

, 

$threat_description

, and 

$threat_level

. 

Include the following email headers:

X-IronPort-Outbreak-Status

X-IronPort-Outbreak-Description