MX Record (Mail Exchange Record)

Definition

An MX Record (Mail Exchange Record) is a type of DNS (Domain Name System) record that specifies the mail server responsible for receiving and handling email messages for a domain. It contains the hostname of the mail server and a priority value, which determines the order in which mail servers should be used when attempting to deliver email.

Function

The main function of an MX Record is to direct email messages sent to a domain to the appropriate mail server. When someone sends an email to an address within that domain, the sending mail server looks up the MX Records in the DNS to find the correct server to deliver the email to. The priority value helps manage multiple mail servers, ensuring that emails are routed to the most preferred server first, which enhances email reliability and deliverability.

  • DNS (Domain Name System): The system that translates domain names into IP addresses, enabling web browsers to locate resources on the internet.
  • A Record: A DNS record that maps a domain name to its corresponding IP address, particularly crucial for directing traffic to a website.
  • Email Hosting: A service that runs email servers and manages email accounts, essential for sending and receiving emails under a domain name.

Here is the Wikipedia Article

Reading Suggestions

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