Related Clues:

• Mail in, e.g
• Transmit, like an email
• Ship out, e.g
• ___ packing (shoo)
• Posting message, initially poorly
• Command that may be accompanied by a 'whoosh' sound
• Hit the paper plane icon, say
• Second goal for forward
• Button often indicated by a forward arrow
• Button to transmit a text
• Email out
• Dispatch, transmit
• Word before "packing" or "flying"
• Fire off, as an email
• "__ my regards"