@corinneli Has anyone any ideas? Many thanks!

@Joseph-TP Dear Joseph, thank you for your reply. Yes, this is the network: ISP modem—main deco )))((( new computer The problem is with every computer/phone who wants to connect to this server (where...

My main router is a Deco XE75 Pro. I installed a new computer. I have 8 mailaddresses from the same provider. I installed it and I set up additionally VPN with Cyberghost because sometimes I need...