Notification Center no longer remembers that I don't want Mail notifications, so I've set Mail to notify for VIPs, of which there are none.
@jamesthomson @lucvandal Yeah, it seems to mostly be AppleSeed folks.
@lucvandal @jamesthomson I've had tons of Yosemite beta testers e-mail me not realizing that 10.10.1 is a beta, didn't intend to install it.