While the OzTFS distribution list was originally created to service the Australian Developer community the list has since grown to have recipients all over the world -which makes sense as it is also the only public Team Foundation List in the world-grin!
Unlike other forums i belong to this one is not that noisy -3 or 4 post per day with a ~98% answer rate.
Fwiw Due to most the recipients being in Australia the posts/replies tend to occur in the evening
Signing up is simple, just send an email to firstname.lastname@example.org with the word "subscribe" in the subject. (or click here)