System environment: Exchange mail server, MDaemon Mail gateway operating system using Server 2003, another analog extranet mail server to send and receive mail system random (the experimental environment using MDaemon 10.1.2)
Experimental basic configuration: MDaemon 12.0.3 as the gateway to Exchange Mail server, ip:192.168.1.158, domain name: sg.kity.com; internal construction Exchange 2003 mail servers are used to receive external mail, ip:192.168.1.159, domain name: mail.kity.com;mdaemon10.1.2 analog external mail system, ip:192.168.1.122, domain mail.huns.com.
Experimental requirements: The internal mail.kity.com domain name points to the Gateway 192.168.1.158.
First, the external network MDaemon Mail Server installation is not explained in detail.
The gateway setting on the MDameon12.0.3 (operates on the main interface of the MDaemon).
(1) Gateway---New Gateway---domain---Check to enable the gateway to fill out the domain within Exchange (mail.kity), click OK.
(2) Gateway---Edit Gateway---Double-click the kity.com domain---forward---check forward mail to the domain, followed by the Exchang mail server IP address (here is 192.168.1.159), click OK.