So you write to the inbox and read from the outbox if you are the PPE.

所以如果是PPE，就会写入到收件箱，读取自发件箱。

youdao

Documents need to be dragged and dropped to the outbox of the participant eBlade.

文档需要拖放到参与者 eBlade 的待发箱中。

youdao

You'll get a dialogue box when exiting the program reminding you that there are still e-mails in your outbox.

当你退出程序时，你将会收到一个对话箱提醒你在发信信箱中还有一些邮件。

《柯林斯英汉双解大词典》

The outbox shows your avatars enjoying a drink, and if there are any e-mails which your spam manager is unsure about you will find them skating around in the hotel's ice ring.

BBC: NEWS | Programmes | Click | Webscape

"This isn't about trying to go out there and build a whole new brand around the name Outbox, " said AEG Chief Executive Tim Leiweke, in an interview.

WSJ: Promoter Crowds Ticketmaster

Los Angeles-based AEG expects to start selling its tickets through Outbox in the next six to 12 months, and to have nearly all its venues throughout the world on the new system within two years.

WSJ: Promoter Crowds Ticketmaster