To configure Thunderbird as your newsgroup reader:
1. Select File | New | Other Accounts...
2. Select Newsgroup Account and click Continue.
3. Enter your name and email account. When you send a message to a newsgroup, these values will be used to identify the source of the message.
4. Enter the address of the newsgroup server that you are subscribing to, for example "news.mozilla.org".
5. Enter a name for the account.
Once you have configured a newsgroup server, right-click the account name and select Subscribe... to specify the groups that you want to join.
To modify other account settings. right-click the account name and select Settings.... You can customize various settings, such as the frequency and amount of downloaded messages, composition options, etc.