I got a new desktop computer on Monday and set it up and all seemed to work ok.
I then noticed in the following days that when I try to send emails from my phone it always fails but works when I switch Wi-Fi off. This is the same for my wife and her phone so implies that it is something to do with the Wi-Fi settings. I have run anti virus and malware on computer and phones and nothing has been found.
If anyone knows what can sort this I would be very grateful