A vertical screen with a drop shadow showing a wavy tear, opening, or portal to another dimension.

Screen With Abstract Portal

A big post box for mail with vertical stripes, a horizontal slot and a rounded top.

Post Box

An open laptop with a mail notification on its screen, facing front at an angle.

A closed envelope with a fire flame on its top corner, with a small shadow under its lid, for mail, email or inbox.

A closed free-standing mail box with the flag up.

An opened free standing mail box with a flag. 

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.