Postbox

This emoji is often used to represent mail, post, or messages, and is often used in a humorous or ironic way. It is not particularly popular, but it is often used by people of all ages.

This emoji is most commonly used on Twitter, Instagram, and Facebook. It is not considered to be a rude emoji.

The history of this emoji dates back to 2015, when it was included in Unicode 8.0. Since then, it has been used to represent mail or post in a variety of contexts. It is also sometimes used to represent postal services, such as the United States Postal Service or the Royal Mail in the UK.