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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	You need to only encrypt and digitally sign e-mails which contain data you DO NOT want to be revealed to someone other than the recipient.
http://www.w3.org/ns/prov#wasQuotedFrom	softwaretipsandtricks.com