Related Clues:
- Yahoo! alternative
- Cybercorrespondence
- Phone call supplanter
- Paperless communication
- Co. with a triangular logo
- Big mail deliverer
- Letters on screens
- Server of millions
- Some messages
- Net receipt?
- Web correspondence
- Hotmail alternative
- It may have attachments
- Messages via MSN.com, e.g.
- PC communication