In theory yes, but plenty of people there trust him and if your e-mail is really that important then don't use it I guess. Depends on how much you want push.
oh ok cool. ya im not sure. my emails arent important but at the same time it'd be weird thinking that someone i dont know might be snooping around.
but guess what...i think i figured out how to make my yahoo push reliable...more details when im sure.