F-SECURE ANTI-VIRUS FOR MICROSOFT EXCHANGE 7.10 Administrator's Manual page 177

Attachment Filtering
Specify attachments that are remove from messages during the manual
scan.
Strip attachments
Targets
Strip these
attachments
Exclude these
attachments
Action
Administration with Web Console
Enable or disable the attachment stripping.
Specify which attachments are stripped from
messages. For more information, see
Templates", 232.
Specify attachments that are not filtered. Leave
the list empty if you do not want to exclude any
attachments from the filtering.
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"Lists and