lucene
  Library for full text indexing and searching
  LGPL 2.1
  http://jakarta.apache.org/lucene/

mailapi
  Library for parsing email messages
  Sun Binary Code Agreement + Javamail supplement (license to distribute)
  http://java.sun.com/products/javamail/

activation
  Java Activation Framework (needed for javamail)
  Sun Binary Code Agreement + JAF supplement (license to distribute)
  http://java.sun.com/products/javabeans/glasgow/jaf.html

log4j
  Debugging framework
  Apache
  http://jakarta.apache.org/log4j/docs/index.html

junit
  Unit Testing Framework
  IBM public license
  http://www.junit.org/

knife-mbox
  MBox provider, modified by Nelson (patches are at the Funes site)
  LGPL
  http://www.dog.net.uk/knife/
