Horcrux lets you automatically backup your mails from any IMAP supported email accounts with great ease.
- Tested with iCloud, Gmail, Google Apps, Microsoft Exchange.
- Incremental backups.
- Supports multiple email accounts.
- Add the accounts, set the backup frequency and it'll unobtrusively backup emails in the background.
- Native Email Browsing interface where you can undelete specific emails (in case of user error).
- Independent IMAP Server to Server migration utility.