Cisco Cisco Email Security Appliance C190 User Guide

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Cisco IronPort AsyncOS 7.6 for Email Advanced Configuration Guide
OL-25137-01
Chapter 6      Using Message Filters to Enforce Email Policies
Note
When setting the 
assume the attachment matches the search pattern
 to Y, messages that cannot be 
scanned will cause the message filter rule to evaluate to true. This could result in unexpected behavior, 
such as the quarantining of messages that do not match a dictionary, but were quarantined because their 
content could not be correctly scanned.
mail3.example.com> scanconfig
There are currently 5 attachment type mappings configured to be SKIPPED.
Choose the operation you want to perform:
- NEW - Add a new entry.
- DELETE - Remove an entry.
- SETUP - Configure scanning behavior.
- IMPORT - Load mappings from a file.
- EXPORT - Save mappings to a file.
- PRINT - Display the list.
- CLEAR - Remove all entries.
- SMIME - Configure S/MIME unpacking.
[]> setup
1. Scan only attachments with MIME types or fingerprints in the list.
2. Skip attachments with MIME types or fingerprints in the list.
Choose one:
[2]> 2
Enter the maximum depth of attachment recursion to scan:
[5]> 10
Enter the maximum size of attachment to scan:
[5242880]> 10m