These are my links for 2 set 2014 through 3 set 2014:

• Overview – The Apache James Project delivers a rich set of open source modules and libraries, written in Java, related to Internet mail communication which build into an advanced enterprise mail server.
• Archiveopteryx – Archiveopteryx stores email in a database and provides access to it through IMAP and more.
• Fluentd | Open Source Data Collector – Fluentd is an open source data collector for unified logging layer. Fluentd allows you to unify data collection and consumption for a better use and understanding of data.