I have a little problem here, i'm trying to separate mail from web, since the full account is larger than 500GB, i've decided to not do a full backup and restore on the new server, all i need is email. i migrated the mailbox content to the new box using rsync... there is more than 100 Mailboxes on the server, so basically we can't create them again and ask user to update password, i have searched and found this :
If you have access to rsync on the old server, I would strongly advise setting up a followup cron job, rsyncing mail from old to new every few hours. This will help catch those stragglers that don't actually update dns immediately
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