About: http://webisa.webdatacommons.org/228997865

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	I also used following site to perform various mail server test but could not figure out anything suspicious except email header:
http://www.w3.org/ns/prov#wasQuotedFrom	linuxquestions.org