Related Clues:

• Internet letters
• Net result?
• Item on a high school jacket
• Cybernotes
• Armor of interlinked rings
• Postal delivery
• Spam, e.g.
• Online item
• Modern correspondence
• An initial, e.g.
• It doesn't leave a paper trail
• In-box input
• Spam, maybe
• Terminal message?
• Stamp saver