Hey there, Stevefunk4!
Based on your question, sounds like you're trying to use a GoDaddy email account on your macOS and iOS devices. We're going to provide some information on setting up and investigating email issues in the Mail app for both devices.
Start by making sure you have the right settings for the email account, this link can help find them Mail Settings Lookup
Once you have those settings, make sure the account is added correctly to both devices. It's a similar process on each device.
Add an email account to Mail on your Mac
Add an email account to your iPhone
Should you continue to encounter errors or issues, let's investigate by:
Running Connection Doctor in macOS
From this tool, it should provide you with information on where the issue lies with helpful information on how to resolve it.
On your iPhone, keep an eye out for errors indicating what may be happening such as server errors, password issues, etc. that would lend some clues as to what setting may be presenting an issue.
Hope your day is great.