Yeah, gmail is getting harder to work with…And not just for groov… Check out my post here for hints on how I got a command line app to work with gmail’ Bandwidth monitoring - #20 by Beno
(Just review the first 3 steps for groov, the rest is application specific).
You may find the right combination of ‘unblocks’ you need to allow it to work.
(Its really worth setting up a ‘low security’ gmail account just for this sort of thing).