Spam in two blogs

Maybe I don’t understand something but it seems that I do something wrong. I marked the comment as a spam and thought that I would never see it. But next day I’ve got the same message as a comment to the other post. I’m very upset(((. the same happens in my friend’s blog…
http://mortgagelender.viaden.com/ – is mine
http://internetdating.viaden.com/ – is the one of my friend