I've just realised that problem is bigger than I thought... Please inform me or one of Italian GMs, if you happen to see any of this spam posts left at your forums.
Also, I think that informal warning isn't enough for such severe breaking of rules. I thought that it's just a mistake caused by misunderstanding, but in such a scale it looks like I have to take steps further.
Leniwy, stary, wyliniały kocur. Czasem jeszcze zerknie na polskie tłumaczenia.