[Dovecot] Any suggestions for backing up an imap server and whould maildir or dbox be better than mbox?

[Eric Toczek]

tomas at tuxteam.de wrote:
> Oh, no. Rsync is smarter than this. If you don't tell it _not_ to do it,
> it will transfer chunks of files which have changed and modify the
> target file in-place. How it does recognize what to do is actually worth
> a read [1].
>
> Note that this algorithm is ideal for files which are (mostly) appended
> to, like mboxes or log files.
>

Ah thanks, I hadn't looked too much into Rsync to see that it does
that.  Pretty slick.

So that being said reverse what I just said, Mbox is better for Rsync
then Maildir or Dbox (which would cause Rsync to run longer as it has
more files to look at to see if they've changed)