Newsgroups support is removed since 1st June of 2013.
Please note that you may:
1. Use HTTP web-based UI.
2. Use RSS subscription.
3. Use e-mail subscription.
Web UI is available here: http://news.eurekalog.com/
You can subscribe to updates via RSS by using any web-browser with RSS support: just open desired forum thread or forum and look for RSS channels:
You can subscribe to updates via e-mail by using "Subscribe to this forum command" available under "Forum tools" box:
You can also setup forum to automatically subscribe to all threads where you post reply - just to to your profile options: