Crossword puzzle clue "it's painted and receives letters"

It's painted and receives letters

" . . . he who receives ___ I send, receives me"

Painted ship upon a painted ocean, e.g.

Letters a collector receives?

___ machine (office equipment that sends and receives documents via a phone line)

One who serves and receives

What presidential term limits mercifully ensure, and each of this puzzle's theme answers "receives"

Receives and passes on