https://docs.customer.io/journeys/troubleshooting-email-design/
Troubleshooting Your Drag-and-Drop Emails | Customer.io Docs
emails customer iodragdrop
https://docs.customer.io/journeys/just-words/
Optimize emails with Just Words | Customer.io Docs
Automatically A/B test and optimize emails on the fly with Just Words.
customer io docsoptimizewords
https://docs.customer.io/journeys/localize-ds-messages/
Localize emails | Customer.io Docs
emails customer iolocalize
https://docs.customer.io/journeys/testing-emails/
Testing Your Emails | Customer.io Docs
After you create your first email, send yourself a test before activating your campaign.
emails customer iotestingdocs