Legacy Document

Important: The information in this document is obsolete and should not be used for new development.

Inside Macintosh: Networking With Open Transport / Part 2 - Open Transport Reference: Chapter 29 - TCP/IP Services Reference / Constants and Data Types

Internet Mail Exchange Structure
The OTInetMailExchange function returns host names and mail preference values in an array of internet mail exchange structures. The internet mail exchange structure is defined by the InetMailExchange data type.
struct InetMailExchange {
   UInt16         preference;
   InetDomainName exchange;
};
typedef struct InetMailExchange InetMailExchange;
Field Description

preference
The mail exchange preference value. The mail exchanger with the lowest preference number is the first one to which mail should be sent.
exchange
The fully qualified domain name of a host that can accept mail for your target host.