Do you have private, secret, or confidential emails on your Microsoft Exchange server that you do not want someone else to see? One user of BleachBit seems to have mixed success with this task: on one hand some emails have been found, and on the other emails were deleted "so that even God could not read them."

To maximize the destruction of sensitive information you must physically destroy all storage devices that may have stored the information. Examples of physical destruction include thorough magnet degaussing followed by use of a hammer and blow torch, or just give it to a young child.