F-SECURE ANTI-VIRUS FOR MICROSOFT EXCHANGE 7.10 Administrator's Manual page 158

158
Using Intelligent File Type Recognition
strengthens the security but can degrade the
system performance.
Trusted senders and recipients
Specify senders who are excluded from the mail
List of trusted
scanning and processing.
senders
Specify recipients who are excluded from the
List of trusted
mail scanning and processing.
recipients
For more information, see
232.
Options
Limit max levels of Specify how many levels deep to scan in nested
nested messages e-mail messages. A nested e-mail message is a
message that includes one or more e-mail
messages as attachments. If zero (0) is
specified, the maximum nesting level is not
limited.
It is not recommended to set the maximum
nesting level to unlimited as this will make the
product more vulnerable to DoS
(Denial-of-Service) attacks.
Actions
Action on mails with Specify the action to take on inbound messages
exceeding nesting with nesting levels exceeding the upper level
levels specified in the Max Levels of Nested Messages
setting.
Drop the Whole Message - Messages with
exceeding nesting levels are not delivered to the
recipient.
"Lists and Templates",