[Samba] Samba as BDC: unable to write on shared folders

[Roberto Spedale - Studio Progetto Ambiente]

> Hi Spedale, Can I suggest you speed up, overtake that slow, liable to
> breakdown NT4 domain and use a Samba AD domain ?
>
> I think you will find it easier than trying to get the NT4-style domain
> working, plus you get the opportunity to manage it from windows via
> ADUC, or from Linux via samba-tool.
>

Thank you Rowland! Surely I will follow your advice in the coming months 
when we acquire the new office server.
For now I was hoping to solve the problem and to secure the network.
do you see something wrong in smb.conf?
Or is there any test I can do to see if the problem is the samba 
configuration or the permissions on the server?