PIK provides content for download by applications using RSS or Atom format, which is commonly called "news feed" or "RSS feed".
Available Feeds
Latest News (EN): RSS 1.0 | RSS 2.0 | Atom
Nachrichten (DE): RSS 1.0 | RSS 2.0 | Atom
IT-Services News: RSS 1.0 | RSS 2.0 | Atom
Subscription
To subscribe to a feed, you need a feed reader program. This might be a standalone program or an extension to an existing program, like your web browser or email client.
Here you can find an instruction how to subscribe to a feed in Mozilla Thunderbird, where syndication is built in: https://support.mozilla.org/en-US/kb/how-subscribe-news-feeds-and-blogs