stricter email validation.
stricter email validation.

Don't allow addresses 'allowed' by RFC but make no sense.

nekodex/osu-web,omkelderman/osu-web,ppy/osu-web,omkelderman/osu-web,nekodex/osu-web,notbakaneko/osu-web,nekodex/osu-web,LiquidPL/osu-web,nanaya/osu-web,notbakaneko/osu-web,LiquidPL/osu-web,LiquidPL/osu-web,ppy/osu-web,notbakaneko/osu-web,LiquidPL/osu-web,nanaya/osu-web,nekodex/osu-web,omkelderman/osu-web,nanaya/osu-web,nekodex/osu-web,nanaya/osu-web,ppy/osu-web,ppy/osu-web,nanaya/osu-web,omkelderman/osu-web,notbakaneko/osu-web,ppy/osu-web,notbakaneko/osu-web,LiquidPL/osu-web