F-SECURE ANTI-VIRUS FOR MICROSOFT EXCHANGE 6.62 - Administrator's Manual - page 148
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All Disallowed Attachments - Strip all
attachments specified in the Disallowed
Attachments setting.
All Attachments Except Allowed - Strip all
attachments except those specified in the
Allowed Attachments setting.
By default, F-Secure Anti-Virus for Microsoft
Exchange strips all disallowed attachments.
Allowed Attachments
Specify attachments that should not be
stripped if the Strip Attachments setting is
set to All Attachments Except Allowed.
Disallowed Attachments
Specify attachments that should be stripped
if the Strip Attachments setting is set to All
Disallowed Attachments.
You can modify Allowed Attachments and
Disallowed Attachments lists as needed.
Separate each extension by a comma (‘,‘).
Wildcards * and ? can be used. To specify
the files that have no extension, type a dot
('.').
Intelligent File Type
Recognition
Trojans and other malicious code can
disguise themselves with filename
extensions which are usually considered
safe to use. Intelligent File Type Recognition
can recognize the real file type of the
message attachment and use that while the
attachment is processed. Specify whether
you want to use Intelligent File Type
Recognition or not.
By default, the Intelligent File Type
Recognition is disabled during the real-time
processing and enabled during the manual
processing.