Mailing List Resources
Mailing lists are communities that you can join, and contributions made to the lists are sent to your e-mail inbox (or you can opt to read them via their Web interface).
S-scale (scale)
S-Trains (A.F. & hi-rail)
National Narrow Gauge (includes Sn3, Sn2)
S Scale List (British)
Archive of S-Trains mailing list when it was on Yahoo