But there is something worse still than email spam. Something even more devious, insidious, and calculating. It is...
Not only are they soliciting this payment in an (in my opinion) unethical way, but it is an annual fee, which will be charged again and again unless they are explicitly told by the client to stop.
I can understand how an individual would not be fooled by such a ploy, but consider the corporation: Who would receive these sorts of things? Probably the accounting department, right? They probably wouldn't look twice at it. It's an invoice. Pay it. I shudder to think how many people and/or companies have been taken in by their shell game.
I haven't submitted this website to a single search engine, but it still appears on them. The "service" that this company provides is simply not useful or needed. The surreptitious way in which they try to drum up business just makes it worse.