I don't understand why your online chat support is "busy." I urgently require assistance regarding setting up emails. I have spent hours attempting to do this, and carefully trying to follow the instructions, with no success.
Hello. I am so sorry to hear you are struggling with our chat support. Sometimes the chat service can get very busy, however, we do our best to connect with each client as quickly as possible. Without knowing your issue regarding email specifically, I can't offer very relevant guidance. Here is a help file that I hope will help. https://www.dynadot.com/community/help/question/set-email-alias
alternatively, you can also contact us by email at info@dynadot.com using screenshots of your issue.