Using Internet Mail Wizard to Configure Internet Mail Delivery

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Exchange Server 2003 implements a new version of Internet Mail Wizard that helps you configure Internet mail connectivity in Exchange Server 2003 or Exchange 2000 Server. By using Internet Mail Wizard, you can configure an Exchange server to send Internet mail, receive Internet mail, or send and receive Internet mail. Furthermore, using Internet Mail Wizard means that you do not have to manually configure the SMTP connector and SMTP virtual server. Internet Mail Wizard automatically creates the necessary SMTP connector for outgoing Internet mail and configures your SMTP virtual server to accept incoming mail.

You can use Internet Mail Wizard to configure Exchange Server to send, receive or send, and receive Internet mail. Remember, if your messaging environment is large or complex, you cannot use Internet Mail Wizard. Instead, you must manually configure Exchange for Internet mail delivery.

For detailed instructions, see How to Use Internet Mail Wizard.

Configuring a Dual-Homed Server Using the Wizard

When you use Internet Mail Wizard to configure Internet mail delivery on a dual-homed server (a server that is configured with two or more network addresses, usually with two network interface cards), the wizard performs the configuration steps that are described in How to Use Internet Mail Wizard.

The wizard also creates an additional SMTP virtual server on the Exchange server. It enables Internet mail delivery on the SMTP virtual server in the following ways:

  • To configure a server to send Internet mail, the wizard guides you through the process of assigning the intranet IP address to the default SMTP virtual server on which it creates the SMTP connector to send outbound mail. You assign the intranet IP address to this virtual server so that only internal users on your intranet can send outbound mail.

  • To configure a server to receive Internet mail, the wizard guides you through the process of assigning the Internet IP address to the Internet SMTP virtual server. You assign an Internet IP address to this virtual server because external servers need to be able to connect to this SMTP virtual server to send Internet mail. Additionally, you must have an MX record on an Internet DNS server that references your server and the IP address of the Internet SMTP virtual server.

Important

To increase the security on a dual-homed server, use Internet Protocol security (IPSec) policies to filter ports on the Internet network interface card (NIC) and strictly limit the users that you allow to log on to this server. For more information about IPSec, see the Windows documentation.