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The Kontact project provides the [[Special:myLanguage/KNode|Knode]] application, which can be used to read mailing lists completely separately to your regular mail.
You can find '''KNode''' by searching for it in your application launcher. You may need to install it from your distribution packages first if you don't already have it installed. If you have '''Kontact''' installed you will find '''KNode''' from the navigation menu on the left.
When '''KNode''' starts, configure it by using the <menuchoice>Accounts</menuchoice> tab and clicking <menuchoice>Add</menuchoice> to add a new Newsgroup Server.
'''KNode''' is really a [http://en.wikipedia.org/wiki/Usenet usenet news reader]. Usenet news is one of the earliest forms of communication on the Internet. [http://gmane.org Gmane] is a website which provides a service of subscribing to hundreds of public mailing lists, and making the result available to anyone who wants to use it. By using '''KNode''' with Gmane, we can read and reply to any mailing list on the Gmane network. Configure '''KNode''' to use the server <tt>news.gmane.org</tt> and port <tt>119</tt>. It is also important that you set your name and email address in the identity tab. By entering your email address Gmane will allow you to send mail through their servers.
Next, select the new Gmane item in KNode and select <menuchoice>Subscribe to Newsgroups</menuchoice>. Allow it to fetch a list of Groups from Gmane. Groups are the Usenet equivalent of mailing lists.
You can now search for and subscribe to hundreds of mailing lists on Gmane, including lists related to KDE software, GNOME, numerous distributions, as well as non-technical lists like backpacking and cycling.
So far, we have only configured '''KNode''' for reading mailing lists. To reply to messages, and create our own email threads, we need to configure out-going mail.
Go to the <menuchoice>Accounts</menuchoice> tab again, and this time select <menuchoice>Mail Server (SMTP)</menuchoice> and click <menuchoice>Add</menuchoice>. Enter your outgoing email information. If you have already configured '''KMail''' for outgoing mail, this should contain the same details. Many people use a separate email address for mailing list traffic to cut down on spam.
Before sending a message to the mailing list, you may need to subscribe to the list. Many mailing lists block emails from email addresses which are not subscribed to the list. For example, to subscribe to the kde-users mailing list ''(kde@mail.kde.org)'', find the listinfo page on the [http://www.kde.org/mailinglists/ KDE software users' mailing list page]. After you subscribe to the list and reply to the confirmation email, you're nearly ready to start posting to the mailing list. Go to your options page for the mailing list and turn off mail delivery (look for a link on emails that contain the word "mailman", which is the most common list server - you need to scroll right down the page to find the button "Unsubscribe or edit options".). As you are reading the mailing list through KNode+Gmane, you don't need to have the mail also delivered to your email account.
When you first send a message to a mailing list through '''KNode''', you will recieve a confirmation request email from Gmane. You only have to reply to that once. All subsequent messages sent through '''KNode''' will be sent immediately for a complete mailing list experience. If you do not receive an email from Gmane the first time you send a message to a list, make sure you have correctly set your email address in the identity tab when configuring KNode to use Gmane.
If you want to use '''KNode''' with lists that are not covered by Gmane, you can ask Gmane to subscribe to the list [http://gmane.org/subscribe.php here].
If you are subscribed to private mailing lists, but still want to use '''KNode''' to read and write to them, it is possible to install a local leafnode server for that purpose.
If you are a developer interested in Qt, you may find that Gmane does not offer qt mailing lists like qt-interest. Instead a separate server is accessible at nntp.trolltech.com and port 119.