Related Clues:
- Many invoices
- Modern form of communication
- Marketing medium
- Virus spreader, often
- Web missives
- Communicate by PC
- Correspondence that's clicked
- Computer communique
- Cyber correspondence
- Serve up a smile for spam perhaps
- Messages via the internet
- Writes to, nowadays
- Letters not at the post office
- Communication option
- Gets in touch instantly with a smile surprisingly