Related Clues:

• Correspondence sans stamp, say
• Send a document over phone lines
• Letters that are not at the post office
• Digital message
• Send over a phone line
• Net receipts
• Spam, e.g
• Tablet reading
• Digital correspondence
• Elders leave Emerald isle with message
• Where addresses include @
• Modern form of communication
• Marketing medium
• Virus spreader, often
• Web missives