If you are facing an error with the CTA button as shown below like the URL is redirecting to a different URL during test mail and showing 404 error.
Then first, you need to sign in to your AWS account. Then, navigate to Amazon SES (You selected region) > Configuration sets > mailbluster-30375 (this can be any random number) in your AWS account. On this page, click the Edit button under Overview tab General details section. On the edit page, disable/remove Custom redirect domain and save changes.