From the Security
Risk Scan screen, ScanMail provides
the following methods to address large-file scan lag under Scan
Restriction Criteria:
Message body size
exceeds: ScanMail will
not scan email messages larger than the size specified.
Attachment size exceeds: ScanMail will not scan
attachments larger than the size specified.
WARNING
These options effectively allow a hole in
your web security - large files will not be scanned. Trend Micro recommends
that you only choose this option on a temporary basis.