Rosenet
Discussion of Max Heindel's teachings and related subjects. Related to (though not formally affiliated with) the Rosicrucian Fellowship, but membership is not restricted to the Fellowship's members.
http://groups.yahoo.com/group/rosenet/

E_franzbardon
Created for the students of the books of Franz Bardon.
http://health.groups.yahoo.com/group/e_franzbardon/

Rosicrucian Mysticism
The process of initiation and the mystical methods and studies that form the Rosicrucian movement are discussed.
http://groups.yahoo.com/group/Rosicrucian-Mysticism/

Medtarot
A group for students of the anonymous book Meditations on the Tarot: A Journey into Christian Hermeticism.
http://groups.yahoo.com/group/medtarot/

Vox Hermes
For the Institute for Hermetic Studies, located in Kingston, Pennsylvania. The Institute offers a four year course on all areas of practical esotericism.
http://groups.yahoo.com/group/voxhermes/