Binary package “gnome-gmail” in ubuntu trusty

support for Gmail as the preferred email application in GNOME

 GNOME Gmail integrates the Gmail web interface into the GNOME environment.
 Once installed, Gmail becomes a choice as the default Mail Reader in the GNOME
 Preferred Applications administration application. When selected, a Gmail web
 page will be used whenever an email service is requested.
 .
 Logout to complete the configuration.