It is a web hosting company and a domain registrar which has more than 20 million customers and also over 7,000 employees all over the world. It has a centralized mail system to run all the emails of its client. Though it has its own merits, there are also enough demerits that are available.
Not an issue: (guidelines)
So in this email, only limited emails can be sent per day. So if you sent that limit you will not be able to mail. This is actually not an error.
If you tag 30 people in a single mail, that means you have sent 30 messages. Do not consider it as a single message.
Have a look at the size of your mail. If the size exceeds the limit, then you will not be able to send it.
These are the guidelines and do not consider this as a go daddy email problem.
If you face any error in sending and receiving the mail, check out this:
Send the problem that you face to the google suite email and if you have any doubts send a message to Kris, which you can see below. The chat is available just for free.
When you send the mail, you will have an error; you will not be able to send it.
The process of this mail is like first users type information in the form and send it. Then the form with information passes to WordPress. This passes to the web host via PHP. Now the web host transmits the email with its information.
Methods to fix it:
Use SMTP which means a simple mail transfer protocol to send an email. Using this you can send the mail to whoever you want directly.
You can also switch hosting providers. GoDaddy is good enough but you can also try websites like in motion hosting to avoid these kinds of issues.
Fix the problems with GoDaddy email with the above methods.