Appalachian State University is reputable, and it's unlikely that this site has spammed.
For information on the university's reputation, see:
There's no legitimate reason to believe that this site has spammed. skyNic and Creastery cite unreliable blacklists, and Creastery also makes an unsupported claim about F-Secure, for which I can find no evidence.
See other sites with good reputations which skyNic and Creastery have attacked with poor ratings and non-trustworthy comments (this is just a small sample):
See also these reports regarding the unreliable nature of the cited blacklists:
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