Subaddressing: What Plus Addresses Tell Senders
user+anything@gmail.com is one mailbox wearing labels. How subaddressing works, why blocking it backfires, and what plus addresses reveal about your data flows.
#Privacy
2 articles with this tag
Apple Mail Privacy Protection: What Open Rates Still Tell You
MPP fires your tracking pixel whether or not anyone reads the message. How the proxy works, how badly it skews your metrics, and what to measure instead.