mount -v -t cifs //<storageaccount>.file.core.windows.net/<sharename> <localfolder> -o username=<myuser>,password=<storageaccountkey>,dir_mode=0777,file_mode=0777,vers=3.0

smbclient //foo.file.core.windows.net/test -mSMB3 -e -Ufoo%longkeyhere==