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In addition to the above, many tracking services log your location and some even measure how long you read the message for. They can also make a good guess at
by remyp 7y ago
In addition to the above, many tracking services log your location and some even measure how long you read the message for. They can also make a good guess at whether you forwarded the message to someone else.
Even if you turn off images it's not always good enough: some trackers try to load any external resource they can, like sounds and fonts.
- inetknght 7y ago> Even if you turn off images it's not always good enough: some trackers try to load any external resource they can, like sounds and fonts. Whoa. While that doesn't surprise me, I didn't know about it. Can you demonstrate it with various providers? Gmail, for instance?
- remyp 7y agoYep. Try sending an email using Yesware to Gmail.