Zen Cart only uses the information in the Admin->Configuration->Email Options and Admin->Configuration->My Store for sending emails.
Type: Posts; User: DrByte
Zen Cart only uses the information in the Admin->Configuration->Email Options and Admin->Configuration->My Store for sending emails.
You said you have v1.3.9b.
You can download v1.3.9d and use the doc files in the /docs/ folder to identify the changed files in v1.3.9c and v1.3.9d, and upload just those changed files to your...
Upgrade to latest (v1.3.9d as of today) to get the fix for that.