YoVille will NEVER ask for your password, so please be wary of malicious emails and/or forum posts that request your password, including via web links.
Yes purge it. .. it is the worst process ever to do. Timely. I wish bvg had rules about people who are not playing activly or at least... maybe they can request being PINNED... I have to spend hours and hours sifting looking . i hate making mistakes, removing those who play by accident people get upset.