There are two mailing lists for MoinMoin:

 * http://lists.dragon-ware.com/mailman/listinfo/moin-users

 Talk about ''using'' MoinMoin (very low-traffic).

 * http://lists.dragon-ware.com/mailman/listinfo/moin-dev

 Talk about MoinMoin development, bugs, new features, etc. (low-traffic)