Apple's Protect Mail Activity feature, which is on by default, "opens" all emails received on a server, to hide the user's IP address. This causes emails with tracker pixels to be falsely reported as read.
For a while, I was confused why all of my GitHub notifications were being marked as read!
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Right, especially with Apple.
Apple's Protect Mail Activity feature, which is on by default, "opens" all emails received on a server, to hide the user's IP address. This causes emails with tracker pixels to be falsely reported as read.
For a while, I was confused why all of my GitHub notifications were being marked as read!
https://twitter.com/ridiculous_fish/status/14604379978667376...