Originally Posted by falko
You'd have to replace your existing POP3 server with a POP3 server that uses Maildir, like Courier or Dovecot, and you'd have to enable Maildir again in ISPConfig. To convert your mbox mailboxes to Maildir, you 'd have to use a script such as mb2md.
Thanks for the response. I think Mandriva 2006 is using cyrus as the default imap/pop server which doesn't support mbox. Now, would it be as simple as running the following?
mb2md command to convert mbox to maildir for each users mailbox
check the option to enable maildir in ISPConfig