Related Clues:
- *Nostalgic sort
- Folder of emails you wrote
- Transmitted a text message
- Sent a letter, say
- Received's u-turn
- Airmailed
- Get rise out of sentries posted
- Paid to mail
- Package tracking status
- Status of an email that has left the outbox
- Confirmation on Gmail
- Gmail folder heading
- Emitted, with 'out'
- Emitted, with "out"
- Opposite of "received"