I do this not because it actually _does_ anything but because I don't want
any trace of mbox anywhere on my system. I also delete all traces of mbox
from the driver list. Just because it is meaningless does not mean it's
wrong, AFAIK. What would be wrong for me would be creating an mbox mailbox.
The only thing that you need to do to avoid creating files in traditional
UNIX format is to change CREATEPROTO.
By setting EMPTYPROTO to mbx, you introduce a bug into imapd. Empty files
can not be in mbx format, so what will happen is that you'll get an
obscure error message (such as
