PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • DKIM does not provide non-repudiation or confidentiality such as PGP/GPG or S/MIME. It is primarily a means of authentication of the originator of the message (most likely at the domain/company level and not individual), and (to my knowledge) the most practical use is chiefly for spam/phishing prevention.
http://www.w3.org/ns/prov#wasQuotedFrom
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