Cisco Cisco Email Security Appliance C170 ユーザーガイド

ページ / 1211
 
13-27
AsyncOS 9.1.2 for Cisco Email Security Appliances User Guide
 
Chapter 13      Anti-Spam
  Testing Anti-Spam
Removing the “easy spam” using SBRS, blacklists, message filters, etc. will result in a lower overall 
catch rate percentage.
Resending spam caught by another anti-spam vendor.
Testing older messages.
The scanning engine adds and removes rules rapidly based on current threats. Testing using old 
messages will therefore lead to inaccurate test results.