Good question.
The one that is installed with the package is /usr/share/applications/gnome-gmail.desktop.
It needs to have the MimeType line added, with the x-scheme-handler tag.
Or you can enable the PPA to get the patched version
https://bugs.launchpad.net/ubuntu/+source/gnome-gmail/+bug/729357/comments/11
Good question.
The one that is installed with the package is applications/ gnome-gmail. desktop.
/usr/share/
It needs to have the MimeType line added, with the x-scheme-handler tag.
Or you can enable the PPA to get the patched version
https:/ /bugs.launchpad .net/ubuntu/ +source/ gnome-gmail/ +bug/729357/ comments/ 11