Microsoft SMTP Server

1. Installing the Root & Intermediate Certificates

You will have received 3 Certificates from Digi-Sign. Save these Certificates to the desktop of the webserver machine, then:

• Click the Start Button then select Run and type mmc
• Click File and select Add/Remove Snap in
• Select Add, select Certificates from the Add Standalone Snap-in box and click Add
• Select Computer Account and click Finish
• Close the Add Standalone Snap-in box, click OK in the Add/Remove Snap in
• Return to the MMC
• To install the UTN-USERFirst-Hardware.crt Certificate:









• Right click the Trusted Root Certification Authorities, select All Tasks, select Import.









• Click Next.









• Locate the UTN-USERFirst-Hardware.crt Certificate and click Next.
• When the wizard is completed, click Finish.
• To install the Digi-SignCADigi-SSLXp.crt or Digi-SignCADigi-SSLXs.crt:









• Right click the Intermediate Certification Authorities, select All Tasks, select Import.
• Complete the import wizard again, but this time locating the Digi-SignCADigi-SSLXp.crt or Digi-SignCADigi-SSLXs.crt when prompted for the Certificate file.
• Ensure that the UTN-USERFirst-Hardware root certificate appears under Trusted Root Certification Authorities
• Ensure that the Digi-Sign CA Digi-SSL Xs or Digi-Sign CA [1] Digi-SSL Xp appears under Intermediate Certification Authorities



Installing your SSL Certificate:

• Select Administrative Tools
• Start Internet Services Manager









• Open the properties window for the SMTP Server the Certificate is for. You can do this by right clicking on the Default SMTP Virtual Server and selecting Properties from the menu
• Open Access by clicking the Access tab.









• Click Certificate. The following Wizard will appear:














• Choose to Process the Pending Request and Install the Certificate. Click Next.









• Enter the location of your certificate (you may also browse to locate your certificate), and then click Next.









• Read the summary screen to be sure that you are processing the correct certificate, and then click Next.









• You will see a confirmation screen. When you have read this information, click Finish.
• You now have a server certificate installed.

2. Configuring SMTP Secure Communications:

• To configure incoming SMTP Secure traffic click the Communication button under Access tab.









• Check the Require secure channel option and click the OK button.









• Open Delivery by clicking the Delivery tab and click the Outbound Security button.









• Check the TLS encryption option and click the OK button.

Important: You must now restart the computer or the IISAdmin Service to complete the installation