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E-mail authentication what, why, how?.
izdano v ACM queue : architecting tomorrow's computing. (2006)Article - 
              
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Fighting spam with reputation systems.
izdano v ACM queue : architecting tomorrow's computing. (2005)Article - 
              
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A conversation with Phil Smoot.
izdano v ACM queue : architecting tomorrow's computing. (2005)Article - 
              
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