Syncing many files (5M+)

hi, the OP needs checksums, which the smb backend lacks.
indeed, storagebox does support smb. tho not sure it is a good idea to expose samba over internet.

@Netherwhal, here is my how-to guide about using smb with rclone
https://forum.rclone.org/t/how-to-access-smb-samba-with-rclone/42754