MX Records (Mail Exchange) are DNS records that are used to route email to email servers. You can have numerous MX Records posting to different email servers to prevent loss of email due to downtime. Email is sent to servers pointed to in MX records based on Priority which states that the lowest the Priority number the higher the priority of the server. Emails will be routed to MX records of 0 first.
Dynamic DNS allows you to dynamically update your DNS records if you have a Dynamic IP address from your ISP. You install an app on a computer on your network, and it checks your WAN […]