Great, that’s an improvement over having the AI lie with confidence…
https://answers.netlify.com/t/redirecting-to-a-sub-folder/136652
https://answers.netlify.com/t/pen-testing-in-netlify-own-hosted-website/134658
That’s not quite true, you can’t use private ‘email support’ but you still have this forum, where the majority of the questions are answered by Netlify Support.
Since you’ve used placeholder domain names example.com, example2.com and mainwebsite.com, I can’t check anything.
Best I can do…
- The rules look ok to me
- Check your build log, it should say the number of redirect rules it found
- Ensure the redirect rules are deployed to
example.comandexample2.com - The documentation is here: Domain Level Redirects