MX Records and Mail Records
The Mail eXchanger record (MX record) tells mail systems how to handle mail that is addressed to a particular domain. To put it simply, if you use your domain for e-mail, you need to configure an MX record. Please review the DNS Primer for more help on DNS records.
Click on DNS|DNS Records|MX Records
in the top navigation bar.
To add MX records for your target mail domain: