Please watch this short video on how to add email recommendations to your newsletter
Select Email Provider - if your email provider does not appear on the list, please contact your email provider and ask them for their email token.
Select Widget type - Select "Recommended items for general newsletters"
(Optional) Select default products from handpicked items widget
(Optional) Add tracking Parameters
Click "Get HTML"
Copy and Paste the HTML code into your newsletter
Save and Test your Rule.