Related Clues:

• Fax alternative
• Quick online notes, for short
• Postal alternative?
• Message from cyberspace
• Where ;-) means "Kidding!"
• Sends a note to, in a way
• Earthlink transmission
• Places to see "fwiw" and "btw"
• Contacts online, briefly
• Stampless correspondence
• Spam, often
• Get hold of, in a way
• Message from a BlackBerry, maybe
• It might be spam
• Computer message