This site does not spam. skyNic cites an unreliable blacklist (see comments at http://www.mywot.com/en/scorecard/phsdl.net ), and Creastery doesn't provide a link to support the claim about F-Secure. A Google search doesn't reveal any evidence that F-Secure ever considered byu.edu a spam domain.
See these other legitimate sites which skyNic and Creastery have attacked as supposed spam sites:
Brigham Young University is a very reputable, highly acclaimed private university in Provo, Utah, USA. I personally know many graduates of BYU and its sister school BYU-Idaho, which also has a green rating on WOT, as does BYU-Hawaii:
Additionally, I have attended BYU's Education Week more than once, and found the lectures to be very insightful and informative. I highly recommend this university and can vouch for its integrity.
See also the Wikipedia article on BYU, particularly the Rankings and Alumni sections, to learn more about the excellent reputation of this school: