Use this command to reset the FortiMail unit to its default settings for the currently installed firmware version, while retaining all network settings. If you have not upgraded or downgraded the firmware, this restores factory default settings.
This command also erases all the log files and mail data on the hard drive.
For information on creating a backup, see the FortiMail Administration Guide.
The following example resets the FortiMail unit's configuration and disk partition to its factory default settings, while keeping the network settings.