About: http://webisa.webdatacommons.org/403611034

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 may also want to block outbound port 25 on your network to keep systems other than the mail server from sending out email.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com