HOT 289: Understanding Email Tracking Pixels - Are Tracking Pixels in Emails Real?
Oct 18, 2026 · 17m
Summary
Micah Sargent answers a listener’s question about how a coworker can track email opens in Gmail. He explains that senders use invisible tracking pixels to log when and where emails are viewed, often via extensions like MailTrack. While Gmail’s proxy servers hide your IP address, they do not prevent the open notification from being recorded. To stop this tracking, Micah advises users to enable the "ask before displaying external images" setting on all their devices, though he notes that link clicks and workplace read receipts can still reveal activity.
Topics discussed
Sponsor: Pebble Global Hiring
Show Intro and Teaser
Host Introduction and Question Setup
Listener Question: Email Read Receipts
The Short Answer: Invisible Pixel Tracking
Email vs. Messaging Apps: How Tracking Works
Email as a Web Page and Image Loading
How to Disable Image Loading in Gmail
Third-Party Tools: MailTrack and Extensions
Other Tracking Tools and Newsletters
Mechanics: Unique Pixels and Server Requests
Gmail Proxy Servers and Privacy Limitations
Disabling Tracking on Mobile Devices
Android and iPhone Settings for Images
Tradeoffs: Broken Layouts and User Behavior
Limitations: Link Clicks Still Track You
Workplace Read Receipts in Gmail and Outlook
Replying as a Confirmation of Opening
Open vs. Read: False Positives and Distractions
Final Verdict and Summary of Protections
Outro and Club TWIT Promotion
Tech News Weekly Promotion
Listen ad-free on Castria