Reply to Fixit.com Bolunced

Earlier today I posted a question on <https://www.ifixit.com/Answers/Ask/Broth...>.⏎
I received an answer from <shop@fixit.com>.⏎
I replied to that answer, and have now received non-delivery advice from <shop+noreply@ifixit.com>.⏎
I have attempted to post this question at <https://www.ifixit.com/Answers/Ask>, but the preview button doesn't respond and I can't submit the question
⏎
How do I reply to the answer I received?