How to move or restore cPanel emails and accounts to another folder or server
All cPanel email will be stored in a folder similar to this:
/home/user/mail/domain
If you remove an addon domain from a cpanel account, the email will still be left on the server (as well as ftp, etc). This is good and bad, i think more on the good side. If you need to move any email from one account to another you can do so through ssh