>...tracking pixels and tracking links... I consider the fact that email clients can ever be in a mode where such things can work quietly in the background the

>...tracking pixels and tracking links... I consider the fact that email clients can ever be in a mode where such things can work quietly in the background the actual problem here. A program should never leak information in a way that is out of the control of that user. Perhaps we could try applying the GDPR to the creators of such clients.