This is Grendel -- a Java mail/news client.

It is runnable state right now, though there is still a lot of work to do. 

It is currently being maintained by Jeff Galyan (talisman@anamorphic.com), 
Giao Nguyen (grail@cafebabe.org) and Edwin Woudt (edwin@woudt.nl)

See http://www.mozilla.org/projects/grendel/ for more info.

See README.libs for the libraries you need.
See README.build for build instructions
