manual

Note
We recommend enabling transport scanning only when BitDefender Security for
Exchange is installed on a gateway.
Additional options are available by clicking the Advanced button.
Advanced VSAPI settings
Scan RTF - select this option if you want the body messages in Rich Text Format
(RTF) to be scanned.
Scan Plain Text - select this option if you want the body messages in plain text
format to be scanned.
Scan Timeout - type in the corresponding field the maximum time allocated to scan
an object. If the scanning process is not completed before the timeout interval, an
error is returned and access to the object is denied.
Number of scanning threads - type in the corresponding field the maximum number
of scanning threads to be used. The recommended number can be computed in
this way: 2*number of CPU+1.
Click OK to save the changes. If you want to restore the default settings, click Set
Defaults.
SMTP Scanning Options
Select the Enable SMTP scanning check box to enable SMTP based antivirus
scanning.
Antivirus
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BitDefender Security for Exchange