I don't know if I understand your "what sort of account" question, but it's an Exchange account. Does that answer the question?
As for the Ubuntu version, I'm on Dapper. -- Filters are not applied to new mail on Exchange https://launchpad.net/bugs/10669 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
