How to Use a Wizard to Configure Internet Mail

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

Before You Begin

If you have already set up SMTP connectors, modified the IP address or port number of your default SMTP server, or created additional SMTP virtual servers on your Exchange server, you cannot run Internet Mail Wizard. However, if you reset your server configuration to its default state, you can then run Internet Mail Wizard.

Important

Internet Mail Wizard is intended primarily for small and medium companies with less complex environments than large enterprise companies. If you have a complex or enterprise messaging environment, you must manually configure Exchange for Internet mail delivery.

Procedure

To start Internet Mail Wizard

  1. In Exchange System Manager, right-click your Exchange organization, and then click Internet Mail Wizard.

    Note

    To run Internet Mail Wizard, you must use the version of Exchange System Manager that is included in Exchange Server2003.

  2. Follow the instructions in the wizard to perform the configuration tasks (see the following tables) required to configure Internet mail delivery.

    Using Internet Mail Wizard to configure the sending of mail

    Task Description

    Select an Exchange server in your organization that will send Internet mail

    You cannot run the wizard on a server on which you have already set up SMTP connectors or created additional SMTP virtual servers. You can only use the wizard to designate Exchange 2000 or later servers.

    Designate a bridgehead server

    This is both the Exchange server and the SMTP virtual server on this server. The wizard creates an SMTP connector on the selected SMTP virtual server and Exchange server. The outbound bridgehead server handles all mail sent through this connector.

    Configure an SMTP connector to send Internet mail

    Internet Mail Wizard guides you through the process of configuring your SMTP connector.

    • You can allow Internet mail delivery to all external domains, or you can restrict Internet mail delivery to specific domains.

    • You can specify whether the SMTP connector sends outbound mail using DNS to resolve external domain names, or whether it uses a smart host that assumes responsibility for resolving external names and delivering mail.

    Verify that your SMTP virtual server is not open for relaying

    With open relaying, external users can use your server to send unsolicited commercial e-mail, which might cause other legitimate servers blocking mail from your Exchange server. If your server is secured for relay, only authenticated users can send mail to the Internet using your server.

    Using Internet Mail Wizard to configure the receiving of mail

    Task Description

    Select an Exchange server in your organization that will receive Internet mail

    You cannot run the wizard on a server on which you have already set up SMTP connectors or created additional SMTP virtual servers. You can only use the wizard to designate Exchange 2000 or later servers.

    Configure your SMTP server to receive Internet mail

    To receive incoming Internet e-mail messages, the server must have only one SMTP virtual server, and that virtual server must have a default IP address of All Unassigned and an assigned TCP port of 25. If more than one SMTP virtual server exists on the Exchange server, or if the IP address or the port assignment is different from the default settings, the wizard will not continue. You can then either restore the Exchange server to its default configuration and rerun the wizard, or you can use Exchange System Manager to configure Exchange manually.

    Verify that your SMTP virtual server allows anonymous access

    Other servers on the Internet expect to connect anonymously to your SMTP virtual server. Therefore, anonymous access must be permitted on your SMTP virtual server. If anonymous access is not configured, the wizard guides you through enabling anonymous access.

    Configure your recipient policies with the SMTP domains for which you want to receive inbound mail

    The SMTP domains for which you want to receive Internet mail are configured in Exchange System Manager in Recipient Policies. You must have a recipient policy configured for every SMTP domain for which you want to accept Internet mail, and Exchange must be authoritative for this domain. If your default recipient policy contains the correct mail domain for your organization, use this policy.

    If you have created multiple recipient policies in Exchange System Manager, you cannot use the wizard to create additional recipient policies. In this case, to add or modify your recipient policies, you must use Exchange System Manager. To configure recipient policies manually, see Configuring Recipient Policies.

    You must configure MX records in DNS for all mail domains. If you do not have an MX record for your mail domain, DNS cannot accept messages for your domain.