Closed mailbox with raised flag

When sent on social media, this emoji typically implies that someone is sending a message or letter. It is a relatively popular emoji, with a majority of users aged 18-34 being the most likely to use it. This emoji is most commonly used on Twitter, Instagram, and Facebook. It is not considered a rude emoji and is usually used in a positive way.

The history of this emoji dates back to the late 1990s when it was first introduced as part of the Unicode Standard. It has since become one of the most widely used emojis, with its popularity growing over the years. It is often used to express the idea of sending a message or letter, as well as to imply that something is being sent in the mail. It is also sometimes used to represent postal services, such as the United States Postal Service.