Polymail now detects and blocks email tracking on your incoming messages to prevent senders from knowing when you've opened their emails! You'll see this in action as a green check mark in incoming messages:

If you would like to enable this feature, you can do so this way in our Web and Mac apps:

  • Click on the small carrot in the lower left corner of the app, and then click on Settings in the menu that appears
  • Click on the Preferences tab on the left side of the page
  • Block tracking will be the third option from the top:
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