Planet CS-2000 User Manual page 373

The CS-2000's Anti-Spam default rule priority are Whitelist of Personal Rule
Personal Rule Global Rule
check fingerprint database
sender IP address in RBL . In Global Rule, the CS-2000 will make the comparison depends on rule priority.
Select one of the mails from Outlook Express，and right click on the mail
it shows all the mail headers, the system can use these mail headers to be the reference in Global Rule
Condition and Item.
CS-2000 UTM Content Security Gateway User's Manual
Whitelist Blacklist
Bayesian filtering spam signature
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Blacklist of
The default mail filtering rule setting
check sender account
Properties
check
Details，