Post Description

Gmail Notifier Pro is a Windows application capable of checking  
multiple Google Gmail accounts for new mail and display 
notifications. Google Calendar, Google Reader, Google News,
Google Drive, Google+, Facebook, Twitter, Microsoft SkyDrive
and RSS/Atom feeds are also supported. 
In addition to the Google services, Gmail Notifier Pro provides 
notifications for Microsoft Exchange accounts and any IMAP or
POP mail account, including Microsoft Outlook.com (formerly Live
Hotmail) and Yahoo! Mail.