I dont understand the (Tracking always?) part of the title.
I'm the poster, didn't mean to be provocative. The blog post didn't explain how the secure proxy works. Normally email marketing uses a tracking image that has a unique url to detect which users open an email. I'm wondering what the behavior is for that now. Is all email open tracking broken now? Good thing for users, not so good for email marketing campaigns/tools. Was hoping some gmail devs would comment here. The…
If it is the latter, users can still be tracked. If the former, legitimate uses that help users will now be blocked. Github, for example, uses a tracking dot to mark a notification as read if you read it via email, which means you don't get double notified on the Github UI and via email.