Step 1:
Navigate to your review widgets from Dashboards > Widgets. You will see the email signature widgets on the right side of the page.
Step 2:
Select type of email signature widget you would like to use and click the “Copy to Clipboard” button
Step 3:
In your MailChimp account, navigate to the the email template design that you want to add your email widget to.
Step 4:
Select the area where you would like to place the email signature, paste it and click save.
Step 5:
Send an email to your self and make sure it looks the way you want it to.