To configure a Virtual Service for SMTP, with SSL offload, follow the steps below:

  1. In the main menu of the LoadMaster WUI, select Virtual Services.
  2. Select Add New.

  3. Enter a valid Virtual Address.
  4. Enter 587 as the Port.
  5. Enter a recognizable Service Name, for example Exchange 2010 SMTPS Offloaded.
  6. Select tcp as the Protocol.
    Note: The combination of Virtual Address, Port and Protocol must be unique within the LoadMaster.
  7. Click Add this Virtual Service.
  8. Configure the settings as shown in the following table:

    Optional: Import the appropriate PFX certificate and key file into the LoadMaster. For instructions on how to do this, refer to the Importing and Assigning an SSL Certificate section.

    Optional: If you have not already done so, export the appropriate certificate and key from Exchange 2010 using the Microsoft export information found at http://technet.microsoft.com/en-us/library/bb310778.aspx. Ensure you export the certificate and private key as a Personal Information File (PFX). An SSL certificate can be obtained from any certificate authority. When prompted by a third party certificate authority to specify a server type, indicate “Apache”. The format of Apache server type certificates is recognized by the LoadMaster.

    * By default, a self-signed certificate is used. Click OK when a message displays indicating that there is no SSL certificate currently available.

    Section

    Option

    Value

    		 Comment

    Standard Options

    		SSL Acceleration Enabled*
    Transparency Disabled

    		Server Initiating Protocols SMTP

    		Persistence Mode Source IP Address
    Persistence Timeout 1 Hour
    Idle Connection Timeout 120 Click Set Idle Timeout.

    Real Servers

    		Real Server Check Method Mail (SMTP) Protocol
    Checked Port 25 Click Set Check Port.
  9. Click the Add New… button.

  10. Enter the Real Server Address.
  11. Enter 25 as the Port.
  12. Click Add This Real Server.
  13. Click OK in response to the confirmation that the Real Server was added.

To view, modify, or delete any Virtual Services or Real Servers that have been added, select Virtual Services > View/Modify Services in the main menu of the LoadMaster WUI.