F-SECURE ANTI-VIRUS FOR MICROSOFT EXCHANGE 8.00 - Administrator's Manual - page 162
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Scan e-mail
messages for viruses
Enable or disable the virus scan. The virus scan
scans messages for viruses and other malicious
code.
Heuristic Scanning
Enable or disable the heuristic scan. The
heuristic scan analyzes files for suspicious code
behavior so that the product can detect unknown
malware.
By default, the heuristic scan is enabled for
inbound mails and disabled for outbound and
internal mails.
The heuristic scan may affect the product
performance and increase the risk of false
malware alarms.
Proactive virus threat
detection
Select whether Proactive Virus Threat Detection
is enabled or disabled.
Proactive virus threat detection can identify new
and unknown e-mail malware, including viruses
and worms.
When proactive virus threat detection is
enabled, the product analyzes e-mail messages
for possible security threats. All possibly harmful
messages are quarantined as unsafe.
Unsafe messages can be reprocessed
periodically, as antivirus updates may confirm
the unsafe message as safe or infected.
When proactive virus threat detection is
disabled, mails are only scanned by antivirus
engines.
Targets
Scan these
attachments
Specify attachments that are scanned for
viruses. For more information, see “