To improve reliability and service quality the following features were added to Sphere:
- Spam Filter
- All email that passes sphere is spam checked: spam messages get [SPAM] added to their subject.
- IMAP Server
- Mail is now available via IMAP and POP3.
- WebMailer V3
- New IMAP based web mail system featuring encrypted communication, filters, folders, address books, a spell checker and a complete personal digital assistant (PDA).
- SSL for all mail services
- POP3, IMAP and SMTP now all offer encrypted communication via SSL.
- SMTP Authentication
- You can now use Sphere as your SMTP server provided you authenticate using your username and password.
- RedHat 8
- All packets were updated to their RedHat 8 equivalent.
- RAID Level 2
- Two hard disks are now linked and synchronized, if one hard disk dies no data is lost.