@Arvid Hi again I have to add a little more to clear the situation When I try the Port Forward tester on https://www.yougetsignal.com/tools/open-ports/ I get the message 2.151.132.211 Remote Address U

Unable to open any incoming ports by configuring a virtual server. PC behind router is Win10-64 v2004. Have contacted the ISP and they claim to only block incoming port 25 - and all others are open. I