Nautilus6 provides two public mailing lists:

announce(at)ml.nautilus6.org: All demonstrations, events and softwares in which Nautilus6 is involved are announced on this mailing list. Members of this ML cannot post on it. You can check the archives of this ML here.

support(at)ml.nautilus6.org: You can get or provide support for our softwares on this mailing list. Feel free to describe your problems, report bugs, send patches etc. on this mailing list. You can check the archives of this ML here.