What are some alternatives?
GroupSpaces - Free Group Website, Membership Database, Listserv Mailing List, Online Group Management Software : GroupSpaces
Usenet.net - Usenet.net has been a trusted Usenet provider since 2004 offering a choice of unlimited Usenet...
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Giganews - Giganews is the world's best Usenet provider. Offering the world's highest quality retention and fastest speeds. Sign up for a free 14 day trial.
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
Astraweb - Premium Unlimited Usenet news server services.