Foundry Form working with GoDaddy Email

Most of the sites I build are hosted from my dedicated servers. I have a customer that is married to his GoDaddy account. I have tried everything I can (including trying to work with GoDaddy tech support) on getting a Foundry 3 email form to jive with the Microsoft 365 email accounts. Whether I put in the credentials given by GoDaddy or not…I cannot get an email through. Anyone here have success in this? What is the secret? Thanks for any help.

One of my Partner’s friends has a GoDaddy site, which I built using F3. The form works as expected. Here’s the settings I used. Not 100% sure if she’s using 365, but this ought to still work…