What happend with coinmagnets?
We are currently working on some improvements,
because we have detected some irregular situations and scam attempts during our beta stage.
CoinMagnets.com should be fully restored in a few days.
I did see a problem with transactions without fee (which didn't get confirmations. Although I would not really call them scam attempts). I had some of those. They were re-sent a few days later. See for example