GNOME.org

Opening links in and from the web browser

Change which web browser websites are opened in

Please see the GNOME Desktop Help.

If the preferred browser is set as default application but still does not work correctly please contact your distribution via their forum or bug tracker.

If the error message "Could not open the link: Operation not supported" is shown, you need to install the package gvfs.

Change which mail application is used to write emails

Please see the GNOME Desktop Help.

Advanced options

If you have a technical background you can also tweak these settings by defining scheme-handlers in $HOME/.local/share/applications/mimeapps.list.