I'm sorry to hear about your problems with Facebook. Unfortunately, they have their own methods in dealing with issues of this nature. I did check your domain using this website: mxtoolbox.com. It seems to be clean, I also checked with sucuri.net and still nothing. The problem here is finding what Facebook has deemed as the official path to re-instating the website. This may unfortunately may be something that can't be fixed unless Facebook fixes it.
I DID spend a good amount of time going through their terms and also their HELP community - which, ironically, might be the place for you address the issue. Check out this link and you'll find that there are quite a few other people with a similar problem:
Facebook has blocked links
You may also want to consider OTHER social networks - Google+ is one you may consider. I do apologize for the frustration and I wish there was more that we could do. Please let us know if you require any further assistance or have any further questions.
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