You could have downloaded MailBar 1.3.2 for Mac from our application library for free. MailBar for Mac is included in Communication Tools. MailBar is compatible with Mac OS X 10.9 or later. The common filename for the application's installer is mailbar-0.9.1.dmg. This Mac app is an intellectual property of MailBar. The most popular version of the application is 0.9.
From the developer:
MailBar enables you to check your inbox and manage your emails directly from your Mac's status bar.
The light and discreet application is designed to run in the background and display the number of new emails next to its menu bar icon. Thanks to MailBar, you can monitor and manage up to four different mailboxes. From MailBar's status bar menu you can easily view all existing emails or filter the list by showing only the unread messages.
You may want to check out more software for Mac, such as MailBigFile, which might be related to MailBar.