mail backup solution?

[Pat Maddox]

On 3/13/06, Chuck Swiger <cswiger at mac.com> wrote:
> Carlos Silva, yourdot-internet.com wrote:
> > I have my email stored at a reseller account (via imap) on a server.
> > My intention is that my server at home, download all the emails via imap
> > to backup automatically everyday.
> > But, I dont want that my server download repeated messages (because i
> > have thousands of emails...).
> > Someone has a solution?
>
> Your mail hosting provider should have working backups, although it is worth
> checking.

I have a server running postfix/courier-imap, and I'd like to know how
to make those working backups.  I've asked a couple places but haven't
found anything useful.

Pat