Кыргызско-английский словарь компьютерных терминов Microsoft (2016)
incoming message (noun)
A message that has been sent across one or more messaging systems. It may have been sent only to you or to many other recipients. Incoming messages are placed in a receive folder designated to hold messages of a particular class. You can set up a different receive folder for each message class that you handle or use one folder for all of the classes.