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Doesn't GMail pre-fetch those images and then cache them for the duration of the email being in your inbox, so as to defeat tracker dots, read receipts, etc?
by mikepurvis 1y ago
Doesn't GMail pre-fetch those images and then cache them for the duration of the email being in your inbox, so as to defeat tracker dots, read receipts, etc?
- TheNewsIsHere 1y agoYou can, at the very least, register an open by generating unique URIs for any remote content. I’m not sure how long Google caches it. I know Fastmail is doing the same thing now for any remote content fetched from within their web interface.