Cisco Cisco Email Security Appliance C160 사용자 가이드

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10-12
Cisco AsyncOS 9.5 for Email User Guide
 
Chapter 10      Mail Policies
  Configuring Mail Policies
You can define policies based on your organizations’ or users’ tolerance for spam, viruses, and policy 
enforcement. 
 outlines several example policies. “Aggressive” policies are 
designed to minimize the amount of spam and viruses that reach end-users mailboxes. “Conservative” 
policies are tailored to avoid false positives and prevent users from missing messages, regardless of 
policies.  
Table 10-2
Aggressive and Conservative Email Security Manager Settings 
Aggressive Settings
Conservative Settings
Anti-Spam
Positively identified spam: Drop
Suspected spam: Quarantine
Marketing mail: Deliver and 
prepend “
[Marketing]
” to the 
subject messages
Positively identified spam: Quarantine
Suspected spam: Deliver and prepend 
[Suspected Spam]
” to the subject of messages
Marketing mail: Disabled
Anti-Virus
Repaired messages: Deliver
Encrypted messages: Drop
Unscannable messages: Drop
Infectious messages: Drop 
Repaired messages: Deliver
Encrypted messages: Quarantine
Unscannable messages: Quarantine
Infectious messages: Drop 
Advanced 
Malware 
Protection 
(File Reputation 
Filtering and File 
Analysis) 
Unscanned attachments: Drop
Messages with Malware 
Attachments: Drop
Messages with pending File 
Analysis: Quarantine
Unscanned attachments: Deliver and prepend 
[WARNING: ATTACHMENT UNSCANNED]
” to the 
subject of messages.
Messages with Malware Attachments: Drop
Messages with pending File Analysis: Deliver 
and prepend “
[WARNING: ATTACHMENT(S) MAY 
CONTAIN MALWARE]
” to the subject of messages.
Virus 
Filters
Enabled, no specific filename 
extensions or domains allowed to 
bypass
Enable message modification for 
all messages
Enabled with specific filename extensions or 
domains allowed to bypass
Enable message modification for unsigned 
messages