PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because the received datetime is only stored internally in the email server separate to the email itself, a number of things can cause this information to be lost, such as restoring emails from a backup, copying emails from one server to another, POP retrieving them from the server, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fastmail.com