Unmoderated chan s

When a user posts an article, it is initially only available on that user's news server.

Each news server talks to one or more other servers (its "newsfeeds") and exchanges articles with them.

Some clients such as Mozilla Thunderbird and Outlook Express provide both abilities. A news server is one of the most difficult Internet services to administer well because of the large amount of data involved, small customer base (compared to mainstream Internet services such as email and web access), and a disproportionately high volume of customer support incidents (frequently complaining of missing news articles that are not the ISP's fault).

Some ISPs outsource news operation to specialist sites, which will usually appear to a user as though the ISP ran the server itself.

The difference between the two is that Usenet articles can be read by any user whose news server carries the group to which the message was posted, as opposed to email messages, which have one or more specific recipients.

Today, Usenet has diminished in importance with respect to Internet forums, blogs and mailing lists.

Users read and post messages (called articles or posts, and collectively termed news) to one or more categories, known as newsgroups.

Usenet resembles a bulletin board system (BBS) in many respects and is the precursor to Internet forums that are widely used today.

The name Usenet emphasized its creators' hope that the USENIX organization would take an active role in its operation.

The articles that users post to Usenet are organized into topical categories called newsgroups, which are themselves logically organized into hierarchies of subjects.

In this fashion, the article is copied from server to server and should eventually reach every server in the network.

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