MX Record
Source: docs.titanhq.com Product: SpamTitan Imported content type: docs_page Product stream: legacy
MX Record
Section titled “MX Record”A DNS server record that contains information about which mail server the domain uses to receive mail. An MX record can point to a mail server or a proxy server when there is a hosted mail filtering process in place.
MX Toolbox 
is a useful tool that lists MX records for a given domain.