I made Adaptive Card from https://adaptivecards.io/designer/
I am sending the cards via Microsoft Power Automate. However, I am facing an issue: when I send the Adaptive Card to my own ID (where the sender and receiver are the same), it works properly. But when I send it to a third person, it shows "No preview available."
I am using a script in the body of the Automate trigger to send an email via Outlook.

When I Send it to my own id:

When I send it to another user:

Additionally, I've tried all versions for Adaptive cards. Currently I'm using version 1.0.