Am Sat, 25 Jun 2016 12:00:02 +0000
schrieb Didier Kryn <kryn@???>:

Salut Didier!

>      Unfortunately, without policykit, the users are not allowed
> to mount removable media like usb memory sticks. Few years ago the 
> permissions were handled in udev rules, but nowadays udev rules have 
> shrinked to one rule in 70-persistent-net.rules.

Interesting.

As for mounting without udev, i know there is spacefm
which does it using its own mounting routine called udevil. Ok, it's
not Thunar, but for all desktops using pcmanfm spacefm would be a nearly
1:1 substitute, if not even an improvement ... ;)

Cheers.