F-SECURE ANTI-VIRUS FOR MICROSOFT EXCHANGE 7.10 Administrator's Manual page 265

The default value is Enabled.
Add X-Header with Specify if the summary of triggered hits is added
summary to the mail as X-Spam-Status header in the
following format:
where
The default value is Enabled.
Modify spam Specify if the product modifies the subject of
message subject mail messages considered spam.
The default value is Enabled.
Add this text to spam Specify the text that is added in the beginning of
message subject the subject of messages considered as spam.
The default value is *** SPAM ***.
More options
Max message size Specify the maximum size (in kilobytes) of
messages to be scanned for spam. If the size of
the message exceeds the maximum size, the
message is not filtered for spam.
The default value is 200.
Forward spam Specify the e-mail address where messages
messages to e-mail considered spam are forwarded when the Action
address on Spam Messages setting is set to Forward.
Administering F-Secure Spam Control
X-Spam-Status: <flag>, hits=<scr>
required=<sfl> tests=<tests>
<flag> is Yes or No,
<scr> is the spam confidence rating
returned by the spam scanner,
<sfl> is the current spam filtering level,
<tests> is the comma-separated list of
tests run against the mail.
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