I'm subscribed to one particular file in the kernel (/drivers/hwmon/it87.c) but I've received an email for http://tree.celinuxforum.org/gitstat//commit-detail.php?commit=19299b1a722198830e39264a0f2edadd3fde74c2
This is with my account 'Paul.Vriens.gitstat@gmail.com' on http://tree.celinuxforum.org.