Mailboxes are in Maildir format. Any good backup tips? Had success with version control?

[Bob Miller]

Hi, 
> >
> > Suggestions and warnings are most welcome.
> >
> > Thanks!
> 
> Since you're using maildir, you might want to check rsync out as well, 
> especially with --link-dest. In short, you call rsync on your backup 
> machine like this:
> 
> rsync --link-dest=previous-backup-dir source new-backup-dir

check out rsnapshot.  Tried, tested, and true on my systems for just
short of a decade now...