우편

✉️Envelope 📧E-mail 📨Incoming envelope 📩Envelope with arrow 📤Outbox tray 📥Inbox tray 📦Package 📫Closed mailbox with raised flag 📪Closed mailbox with lowered flag 📬Open mailbox with raised flag 📭Open mailbox with lowered flag 📮Postbox 🗳️Ballot box with ballot