About: http://webisa.webdatacommons.org/319425736

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	If your server is an exclusive e-mail server running SMTP and IMAP, you can block all TCP ports except ports 25 and 143, respectively.
http://www.w3.org/ns/prov#wasQuotedFrom	governmentsecurity.org