On 4 September 2014 10:00, Sylvain Machefert <smachefert@gmail.com> wrote:

> I've found that some participants haven't yet entered
> their mail address in their preferences. It's required if
> french competitions rules (and I think in many others)
> so that we can contact the winners

It would be better to only ask for such details once people have won;
that way, there's less at risk if there's a data protection breach.