Mac OS X and Univention Samba

It took us a while to get this hipster crap OS X to play nice with our Samba server (UCS 2.4). In the default settings, the access rights would be completely insane (732 and similar impossible combinations). By deactivating the UNIX extensions (unix extensions = no) we achieved slightly less insane rights (755, which is better, but doesn’t allow others to modify the folders/files). By modifying the umask (create mode = 0775) we got that, too (it would be better if OS X users could set the permissions via the finder UI, but that doesn’t seem to be possible atm, maybe with UCS3?).