ml@icaria.isle.org (Machine Learning)
rasmusse@ptd.net (Priscilla Rasmussen, Computational Linguistics)
SIG-IR: http://www.acm.org/sigs/sigir/sigirlist/index.html
NLP of biology text (bioNLP): http://www.bionlp.org/
Summary of related mailing lists: http://www.cs.technion.ac.il/~gabr/resources/news_mail.html