What powers MarkMail?
MarkMail is powered by MarkLogic Server, a commercial software product sold by Mark Logic Corporation. It’s an enterprise-class XML Content Server built to load, query, manipulate, and render large amounts of XML using the W3C’s XQuery language. In MarkMail every email is represented and held as an XML document. All the text searches, faceted navigation, analytic queries and HTML page renderings you see are performed by a small MarkLogic Server cluster against millions of XML documents. You can download a trial copy of MarkLogic Server, if you’re interested in checking it out.