Threeuk is blocking Tutanota
Slightly off topic, but I was with Three UK for a while. Reception was universally terrible, and trying to use mobile data was a joke.<p>This was in a small urban centre... called London. Would never, ever touch them again.<p>Back on topic, it seems that they are <i>not</i> using Bluecoat/Symantec Site review (which I suspect other providers do), which has the domain categorised correctly:<p><a href="https://sitereview.bluecoat.com/#/lookup-result/https%253A%252F%252Ftutanota.com%252F" rel="nofollow">https://sitereview.bluecoat.com/#/lookup-result/https%253A%2...</a>