Related Clues:

• Tree climbed to collect a message
• Sounds as if fellow is following energy message
• Message in English Irish boy rejected
• Upset after a letter? Send one online
• Going round Niamey (not New York), having left messages
• Message sent over in Australia (Melbourne)
• Message girl read out after blowing her top?
• Click the "Send" button
• It's often checked on a cell
• Inbox fill
• Letters that don't go to the post office
• PC notes
• Filtered letter
• Terminal communication
• Outlook service