# Migrate Mandrilled templates to Mailgun Recap Steps: 1) Ask CSD (designer) to recreate the templates on Mailjet builder. Without this step, your templates might not be responsive on mobile devices. 2) Perform mandrillization step: Apply handlebars syntax on the new templates You may want to use these tools to ease the task: https://drive.google.com/drive/folders/1ktM0f4TfzCpq8Q_TPfOBnlvorthVPEEd?usp=sharing Tool basically helps: - Attach UTM to all links - Replace product variables You still need to double check and after for loop, along with delete placeholder row. You might also want to send test emails to validate if setup are done correctly. Go head and use the notebook.