> The image server remains in the dark about who has actually requested it. That’s a big plus for your privacy.
Unless, of course, the image has an email-unique key in the URL somewhere.
Unless, of course, the image has an email-unique key in the URL somewhere.
Overall though, its still an improvement. A key in the URL does verify that the email address is deliverable, which isn't nothing, but still can't be directly correlated with an IP address or other tracking data.