1.
inbox; received messages folder
The folder or location where incoming email, messages, or notifications are stored. Standard terminology in email and messaging applications.
受信箱に新しいメールが届いた。
A new email arrived in my inbox.
受信箱がいっぱいなので、古いメールを削除した。
My inbox was full, so I deleted old emails.
迷惑メールが受信箱に入らないように、フィルターを設定した。
I set up a filter so that spam wouldn't get into my inbox.
受信箱 is the standard Japanese term for an email inbox or received messages folder. A compound of 受信 (receiving) and 箱 (box).
COMMON COLLOCATIONS:
- 受信箱を確認する: to check one's inbox
- 受信箱を整理する: to organize one's inbox
- 受信箱が空: inbox is empty
- 受信箱がいっぱい: inbox is full
RELATED TERMS:
- 送信箱: outbox / sent folder
- 受信トレイ: inbox tray (alternative term, especially on smartphones)
- 迷惑メールフォルダ: spam folder
- 下書き: drafts