Note that Google experimented with preventing read receipt tracking while allowing images to load, but eventually decided against it as it affected tracking dat

Note that Google experimented with preventing read receipt tracking while allowing images to load, but eventually decided against it as it affected tracking data for their partners. ProtonMail claims to be working on a solution as of 2 years ago[1] but has not yet shipped anything in this domain. [1]: https://news.ycombinator.com/item?id=17611361 https://news.ycombinator.com/item?id=17611361 (ProtonMail employee, responding to https://news.ycombinator.com/item?id=17610732 https://news.ycombinator.com/item?id=17610732 )