Hello Dannyboy0316,
After reviewing your post, it seems like you have been kicked out of email account on the iPhone. There are a couple things you can try that may be able to help. We would recommend you read these articles and use them to help troubleshoot the issue.
If Mail asks you to enter a password for your email account, make sure that your password is correct. To check your email address and password, sign in to your email provider's website.
If you still get a username or password error, contact your email provider or system administrator."
If you can’t send email on your iPhone, iPad, or iPod touch
- On your computer, sign in to your email provider’s website. Make sure that all of your email is there or make sure that your email is saved somewhere other than your iOS device.
- On your iOS device, go to Settings > Passwords & Accounts.
- Tap the email account that you want to remove.
- Tap Delete Account.
- Add your account again."
If you can't receive email on your iPhone, iPad, or iPod touch
Please don't hesitate to let us know if the steps resolved your issue or if you need additional assistance.
Thank you for using Apple Support Communities. Have a nice day.