The Advanced settings allows you to choose to block or allow uploaded files that are not evaluated by Capture ATP.
Select Block uploads when the file size exceeds the above limit to stop files from being uploaded that exceed the maximum file size specified in the File Options section. (This is selected by default.)
Select Block uploads when there is a failure communicating with the Capture ATP service or issues in file processing due to system disk capacity to stop files from being uploaded when the appliance cannot communicate with the Capture ATP service or when the performance of the appliance is impacted by high disk usage.(This is selected by default).