Represents a resource record returned from a DNS query that includes Mail Exchange resource record types.
TMXRecord = class(TResultRecord);
TMXRecord is a TResultRecord descendant that represents a resource record returned in the results for a DNS query. TMXRecord is a collection item created to represent a resource resource returned when TIDNSResolver.QueryRecords includes the value qtMX for Mail Exchange resource records.
Mail Exchange resoure records are used to determine the host serfver that can accept mail for the specified domain name. Mail Exchange resoure records also contain information about preference values which rank the hosts according to an order specified by the administrators for the domain.
Using a DNS query that includes Mail Exchange resource record type may result in additional TARecord resource records being processed for the ExchangeServer specified. The use of Mail Exchange resource records is explained in detail in RFC 974.
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