By submitting your personal information, you agree that TechTarget and its partners may contact you regarding relevant content, products and special offers.
An MX record can point to a mail server or a proxy server when there is a hosted mail filtering process in place. In an on-premises deployment, the administrator can also point MX records to a firewall that uses internal forwarding rules to redirect inbound messages to an edge transport server handling Internet-facing mail flow or an Exchange mailbox server.
Continue Reading About MX record (Mail Exchange record)
Dig Deeper on Microsoft Exchange Server Mailbox Management