Horcrux Email Backup lets you automatically backup your mails from any IMAP supported email accounts with great ease. The best part is, you have an option to restore the backup'ed emails to any other email account, retaining all your tags/folder hierarchy.
Note: This is a background app, it resides on the Mac menu bar called "H". Click on that to get back to the preferences.
- Tested with Gmail, Google Apps, iCloud, Microsoft Exchange. It should work on most email accounts.
- Incremental backups.
- Supports multiple email accounts
- Add the accounts, set the backup more...
- Critical bug fix
- OS X 10.7 or later