How to mount a MAC share folder?
You need to create a specific user on MAC (e.g. fileshare) to be able to access the shared folder.
Then enter “fileshare” in the Username field
Make sure the shared folder (i.e. “previews”) is flagged in FILE SHARING section of your MAC
Make sure that the shared folder is visible for the specific user create ad hoc (i.e. “fileshare”)