Machine Learning Mailing List
- An unmoderated mailing list intended for people in computer sciences, statistics, mathematics, and other areas or disciplines with interests in Machine Learning. Researchers, practitioners, and users of Machine Learning in academia, industry, and governm
- http://groups.yahoo.com/group/machine-learning/

Recursive Partitioning Mailing List
- An unmoderated mailing list for recursive partitioning based supervised learning methods, a.k.a. classification and regression trees.
- http://groups.yahoo.com/group/recursive-partitioning/

Machine Learning List
- A moderated discussion list about Machine Learning. Email subscribe/unsubscribe request to ml-request@isle.org. Email contribution to ml@isle.org. It's sent out bi-monthly in digest format.
- http://www.ics.uci.edu/~mlearn