📤
送信トレイ
outbox tray
📥
受信トレイ
inbox tray
📦
荷物
package
📫
旗が上がった閉じた郵便受け
closed mailbox with raised flag
📪
旗が下がった閉じた郵便受け
closed mailbox with lowered flag
📬
旗が上がった開いた郵便受け
open mailbox with raised flag
📭
旗が下がった開いた郵便受け
open mailbox with lowered flag
📮
ポスト
postbox