2 Continued. Virus Scanning Settings
Setting Description
Delete Encrypted Compressed Files Encrypted compressed fi les cannot be virus
scanned. Allowing these through poses a
signifi cant risk. These fi les will be quaran
tined so they can be manually retrieved if
required.
Scan Doc Files As This setting is relevant to Offi ce Documents
Containers ??“ Manual up to the 2003 release. These documents
Scan Doc Files As can contain embedded fi les. Enabling this
Containers ??“ Transport will ensure that these fi les will be virus
Scan Doc Files as scanned.
Containers ??“ Real Time
Optimize for Performance by When messages are virus scanned, an AV
Not Scanning Messages That Stamp is placed in the message header
Were Already Virus Scanned ??“ during transport, then stored in the MAPI
Transport Properties of the message. If this is
detected, the message will not be re-
scanned. If you disable this option, the
message will be re-scanned. If this tag
exists, this can add considerable load. It is
recommended that this be left enabled.
Scan on Scanner Update This setting indicates that messages should
be re-scanned if newer AV defi nitions are
available. This only effects the On-Access
scanning on the Mailbox servers. If you run
Outlook Clients in Cached Mode, an On-
Access event will not be triggered when
accessing cached items. If an update occurs
when a background scan is running, this will
be restarted.
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