How to Tell Which Emails Quietly Track You

2021-03-07T12:00:00
ID WIRED:90CCF651E31A533575CF880EF1F1FAB8
Type wired
Reporter David Nield
Modified 2021-03-07T12:00:00

Description

Your emails know more about you than you might think, like when you open them or when you forward them to others. But you can reclaim your privacy.