Is Mac mail not showing new message? Searching for some clue to resolve it? If so then continue reading this page for exact solution on the same. Apple offers Mac mail facility which makes sending and receiving email more easy. with its popularity most of the people are using this utility. But sometimes Mac mail not showing new message due to somehow or the other. This type of situation arises basically when there is issue in establishing connection with the email providers. It annoys you because you wouldn't allow to receive any new mail. So it is extremely necessary to resolve Mac mail not showing new message issue as early as possible. You can overcome from this problem by clicking at inbox icon in drawer. If you have still problem then select all mail option from the “Show in IMAP” setting. This way you would be able to resolve the Mac mail not showing new message. But in case of any type of mail deletion arises while resolving this issue then do not worry because Mac email recovery software comes for rescuing of missing emails effectively. It recovers all type of lost mails with ease. It supports various formats such as MSG, EMLX, DBX and so on.