From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@quanstro.net>
Date: Mon, 22 Mar 2010 17:29:11 -0400
To: 9fans@9fans.net
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Subject: Re: [9fans] Creating new mail users; mail -c
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> > russ had a specific objection to "append" directories.  i don't
> > recall how the argument went.
> >
>
> Is it because you can bind in new stuff to a directory if you need it?

not really.  it was related to the problems with /tmp directories
in linux.

consider a standard unix-style mailbox.  if you make the file
append-only, but world writable (not world-readable), anyone
can append a message to your mailbox, but only you can rewrite
it or read it.

the thought is that it would be nice to have a similar capablity
with a directory, where the permission to remove is seperated from
the permission to create.

- erik