Images Broken - In Email
Test Case: Sending Email from Mass Mailing
Issue: While sending emails from Odoo using Mass mailing don't show images in Email. It show broken image.
How to fix it:
1. pip install --upgrade werkzeug
2. Go to settings/Technical/Parameters/System Parameters => Open record for web.base.url and change to your real domain. In our case we changed to http://www.probuse.com