An open mailbox with a letter inside and the flag up. It means new mail has arrived.
Newsletters use it for a new issue in the inbox: โ๐ฌ This week's edition is out.โ People also use it to share a mailing address, or to say a reply or package has landed.
Facts
Open mailbox with raised flag ๐ฌ is an emoji in the objects category, under mail. It is one of the early emoji from Japanese phones, standardized in Unicode 7.0 (2014). On GitHub, Slack and other apps you can type it as :mailbox_with_mail: or :open_mailbox_with_raised_flag:. People also look for it with words like โflagโ, โmailโ, โmailboxโ, or โopenโ.
Timeline
2014Added to the emoji standard (Unicode 7.0)
Design history
Google (Noto)
2015
2017
2021
Twemoji (X, Discord)
2014
2016
Google Noto Emoji images: Apache 2.0. Twemoji graphics by X Corp and contributors: CC-BY 4.0.