On 11 Nov 1997, D. J. Bernstein wrote:
> > the point was that his NFS argument against /var/spool/mail was
> > irrelevant because home directories are often NFS mounted too
>
> There is no ``NFS argument against /var/spool/mail.''
>
> The fundamental problem with /var/spool/mail is security. It's not easy
> to handle a world-writable directory safely.
>
> (Big ISPs have another problem with /var/spool/mail: on most systems,
> reading a large directory takes a long time.)
>
> As a separate issue, mbox format is unreliable when the system crashes.
> It doesn't matter whether mailboxes are stored in home directories or in
> a central directory. The relevance of NFS is that it makes mbox format
> even more unreliable; you can lose mail even if the systems never crash.
>
How about the argument "you have problems, if the host exporting
/var/spool/mail is a linux box, because linux's lockd ...well... needs
some serious improvements in functionality" ?
Ciao,
Martin
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