I cannot connect to the Usenet / newsserver.

Please note that your computer and newsreader program do need unhindered access to ports 119 and 443 (as well as port 563 if you are using SSL encryption). It is possible that security software, firewalls or your router are blocking access to these ports. Please refer to the manual or documentation of your security software or router on how to free up these ports for your newsreader.