About: http://webisa.webdatacommons.org/242792948

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Email authentication is a system whereby a signature in an email header matches a certificate in the domain name system (DNS), thus certifying the message's origin.
http://www.w3.org/ns/prov#wasQuotedFrom	downes.ca