Does that site have an entry in our Dating Sites section?
Does that site have any generally bad reviews on the internet?
Do you know how to spot a scammer and what to do to verify one if you have received massmail-looking messages from FocusHawaii-like men?
Oh wait, you have!
So, no, most sites are NOT scammer-free.
So, we are back to "Do you know how to spot a scammer?" (with the help of us)