High-level design doc review (Product Manager) - Add email tracking for email deliverability and open/click rates.

[melvin-bot]

🎉 You have been assigned to review a design doc! Here is the tracking issue for Add email tracking for email deliverability and open/click rates..

Once you have reviewed the design doc, head over to the master tracking issue and simply press the Add "Reviewed Doc" comment button in the right hand side K2 panel or follow these instructions. After that, you can close this issue as done. Happy reviewing!

[stephanieelliott]

Reviewed!