F-SECURE ANTI-VIRUS FOR MICROSOFT EXCHANGE 8.00 - Administrator's Manual - page 280
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8.2
Spam Control Settings in Centrally Managed
Environments
Change the settings in F-Secure Anti-Virus for Microsoft Exchange/
Settings / Transport Protection / Inbound Mail / Spam Control to configure
howF-Secure Anti-Virus for Microsoft Exchange scans incoming mail for
spam.
These settings are used only if F-Secure Spam Control is installed with
the product. Otherwise they will be ignored.
Spam Filtering
Specify whether inbound mails are scanned for
spam.
Realtime Blackhole List (RBL) spam filtering is
not enabled by default even if you enable spam
filtering. For information on configuring
Realtime Blackhole Lists, see
Heuristic Spam
Analysis
Specify whether heuristic spam analysis is used
to filter inbound mails for spam.
If you enable the heuristic spam analysis, all
messages that the threat detection engine does
not classify as spam are further analyzed for
spam.When the heuristic spam analysis is
disabled, only the threat detection engine filters
messages for spam.
Heuristic spam analysis slows down the
performance but improves the spam detection
rate.
Spam Filtering Level
Specify the spam filtering level. All messages
with the spam filtering level lower than the
specified value can pass through.