Return address (More menu, or Mail day) prints eight small cards of your name, street, city, and country. Stick one on the back flap or top-left. Mail day, pack slips, and postage sheets stay city and country only because you might photograph those. This sheet has your street on purpose. Do not photograph it. Do not post it. Partner streets still live on mailing labels after a swap is accepted.
A typical flap sitting
- Add street and country on My profile if they are blank.
- Print return address cards. Cut on the dashed line.
- Stick one on each envelope flap (or top-left). Country last, same as the destination side.
- Keep the leftover cards in a drawer — not on a public table with a camera.
Never put someone else’s return address “for fun”. Never photograph this paper. Don’t show up at a penpal’s house. Batch mailing labels still print To + From together for an accepted swap.