I just got the reply from trendmicro: So we are at the same point as we have been before: blocked due to content type 'spam'. I hope this will become somewhat useful with the just anounced...

I have a similar problem with my brand new Deco X60: The site codycross.info is said to be safe but occurs in spam mails. As there is no possibility to define exception or to allow safe/spam declared...