Learn how to manually insert your Letterhead promotions into a SendGrid email using HTML in Code Modules.
Since RSS feeds aren't directly supported in SendGrid, you'll need to use our copy-paste workflow to insert your promotions correctly into SendGrid.
To do this you'll be using SendGrid's Code Module feature.
2. Click on Promotions
3. Click on the approved promotion you wish to run in your newsletter.
4. Click on Copy
