If you are receiving notifications of "unable to verify account" on your iPhone after changing your password for your work-related email, it's possible that your iPhone has not yet recognized the new password. Here are some steps you can take to resolve the issue:
Try re-entering the new password: Go to Settings on your iPhone, select Passwords & Accounts, then select the account you changed the password for. Enter the new password again and save it.
Check your account settings: Make sure that your email account settings on your iPhone are correct, Check the incoming and outgoing server settings, port numbers, and SSL settings to ensure that they match your email provider's requirements.
Restart your iPhone: Sometimes a simple restart can fix issues with email account verification. Try restarting your iPhone and see if the issue persists.