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Microsoft KB Archive/174754

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Knowledge Base

XFOR: Connecting Internet Mail Service (IMS) to IMS with Simple Authentication and Security Layer (SASL)

Article ID: 174754

Article Last Modified on 10/28/2006


  • Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q174754


You can use Simple Authentication and Security Layer (SASL) to link two Exchange Server computers with the Internet Mail Service together if you declare the administrator of the target Internet Mail Service as the SASL account.


SASL can be used if the administrator follows these steps:

  1. From the Internet Mail Service, click the Security tab.
  2. Click Add to add a domain.
  3. Enter the domain name of the target Internet Mail Service.
  4. Activate the SASL/SSL Security button.
  5. Clear the SSL Encryption check box.
  6. Click Change, and enter the account in the form of NT Domain\NT Account. Enter the password or leave blank if the account does not have one.
  7. Click OK to exit the E-Mail Domain Security dialog box, then click OK to save all changes.
  8. Stop and restart the Internet Mail Service.

To Activate SSL Encryption

To activate Secure Sockets Layer (SSL) encryption, a server certificate is needed. This requires that you have at least Internet Information Server (IIS) version 3.0 or greater installed on your Exchange Server computer.

IMPORTANT: IIS needs to be installed on the computer BEFORE Exchange Server SSL encryption to work properly. For more information, please see the following articles in the Microsoft Knowledge Base:

175439 XFOR: Enabling SSL For Exchange Server

You will need to obtain a certificate from a trusted certificate authority (CA). To start this process you will need to generate a certificate request in Key Manager. Key Manager is used to create the public/private key pair, which used to negotiate a secure connection. NOTE: The procedures below should be performed on both Exchange Server computers.

  1. From the taskbar choose Start, Run.
  2. Type KEYRING, and click OK.
  3. In Key Manager, right-click on the SMTP node, and then select Create New Key.
  4. Follow the steps in the wizard to generate you certificate request.

NOTE: After completing the wizard, your certificate request will be saved in the location you specified. Also, remember the name you gave your key and the password,you will need these later.

  1. Send your request to a CA of your choosing. It may take some time to process your request.
  2. When you get your certificate back from the CA, start Key Manager.
  3. In Key Manager, expand the SMTP branch.

NOTE: You should see a key with the name you specified in the wizard.

  1. Right-click on the key, and select Install Key Certificate.
  2. Browse to the location of the certificate, and open it.
  3. Supply the password.
  4. In the Server Connection dialog box, choose the the appropriate setting, and click OK.

At this point you should have a valid key pair and should be able to start using SSL encryption to encrypt your SMTP transmissions. Simply click to enable the SSL Encryption check box in the E-Mail Domain Security dialog box.

Keywords: kbhowto KB174754