Exchange Server 2010

Configuring the Hub Transport Server as an Edge Transport Server in Exchange 2010 SP1

By default, Edge Transport server role in Exchange Server 2010 provides a secure SMTP gateway for all incoming and outgoing email in an organization. Here, we are configuring Hub Transport Server as this role, so I called it as “Hub Transport Server as an Edge Transport Server”. By default in the same way that the Hub Transport server doesn’t receive emails from the Internet. The most secure way to receive Internet email is from an Edge Transport server. Here, because of the IT budgets constrain, we are not using Edge Transport Server or third party SMTP gateway. To accomplish this, on the Hub Transport Server enabling Anonymous users under the Permission Groups tab of the Default Receive Connectors.

1. In Exchange Management Console, expand Server Configuration, click Hub Transport, and then in the Hub Transport pane, under Receive Connectors, Right Click on Default Server ( Default KTM-EX01-2K10) and click Properties.

2. On the Default KTM-EX01-2K10 Properties dialog box, Click Permission Groups Tab and put check mark on Anonymous users, then Click Apply and Click OK.

Now our Exchange Server will receive emails from the Internet.

To Send Email to the Internet, we have configured send connector to the Internet:

1. In Exchange Management Console, expand Organization, and then Click Hub Transport.

2. In the Hub Transport pane, click the Send Connectors tab.

3. In the Actions pane, click New Send Connector.

4. In the New Send Connector page, in the Name box, type Internet Send Connector, in the Select the intended use for this Send connector list, click Internet, and then click Next.

5. On the Address space page, click Add. In the Address field type *, and then click Next.

6. . On the Network settings page, click Use domain name system (DNS) “MX” records to route mail automatically and Click Next.

Note: For this setting ISP should allow port TCP 25 from Our Exchange Server to Public SMTP Servers in the Internet. Normally, ISP will allowed port TCP 25 only in their SMTP Gateway.

7. On the Source Server page, ensure that KTM-EX01-2K10 is listed, and then click Next.

8. On the New Connector page, click New and then click Finish.

 

Summary:

In this article, I showed you how to configure Hub Transport Server as an Internet facing server to  receive emails from the Internet and send internal email to the Internet creating Send Connector on the Hub Transport Under Organization Configuration. But the most secure way to receive Internet email is from an Edge Transport Server or third party SMTP Gateway Server or Hardware Appliance.

 

 

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