[Dovecot] Re : Permission denied

[Frédéric Sapin]

> On Fri, 2004-07-09 at 17:20, Frédéric Sapin wrote:
> > I'm using linux Fedora Core 2.
> > The permissions are :
> > drwxrwxrwt    2 root     mail           32 2004-06-16 04:45
> > /var/spool/mail/
> >
> > These permissions are made buy the command chmod a+rwxt /var/spool/mail.
> >
> > So if someone wants to erase the /var/spool/mail directory, it's possible
> > unfortunately.
>
> And deleting other people's mail isn't actually possible then. That's
> why there's the +t sticky bit. It's the same as in /tmp directory. Users
> can only create files and delete their own files, but can't delete files
> created by others.

Ok it's working with permissions :
rwxrwxr-T	root	mail /var/spool/mail

So like that I think it's enough security.
I don't understand the line :
mail_extra_groups = mail 
If I remove mail is it working  ?

Thanks

Frederic