3 ms·
Gmail relatively recently changed to intercept images and cache them all for you, preventing the leak. But then, this is Google we’re talking about. I’m sure th
by lstamour 9y ago
Gmail relatively recently changed to intercept images and cache them all for you, preventing the leak. But then, this is Google we’re talking about. I’m sure there’s still a leak, maybe via AMP for Email. (Of course, hyperlinks are also often used for tracking.)
- zAy0LfpBZLC8mAC 9y agoOnly images? So, fonts can still be used to leak and manipulate?
- lstamour 9y agoWell, no, custom web fonts generally aren’t supported by email clients, email within Gmail is sanitized by default. And I stand slightly corrected: by customizing email image URLs, you can apparently track the first open, but not user details (IP address, device, subsequent opens, etc.) https://customer.io/blog/gmail-loading-images.html https://customer.io/blog/gmail-loading-images.html