With XPN you can read/write articles on the Usenet with a good MIME support (better than some well known newsreaders). XPN can operate with all the most diffuse charset starting from US-ASCII to UTF-8. When you edit an article XPN automatically chooses the best charset, however is always possible to override this choice. There also other useful features like scoring, filtered views, random tag-lines, external editor support, one-key navigation, ROT13, spoiler char ...