Do you have trouble sending and receiving emails on your Roadrunner account? Did you receive an error message that reads "Roadrunner Email Error 530"? The email server that helps to send and receive emails via your Roadrunner account is called Simple Mail Transfer Protocol, or SMTP. Error 530 occurs when there is an issue with the SMTP settings for your Roadrunner account. You can call the Roadrunner customer service and reach out to a certified email technician to get expert advice on how to fix Roadrunner Email Error 530.