SMTP with ESP Virtual Service

To add the Virtual Services for Exchange 2013 SMTP with ESP using the template, follow the steps below:

1. Click the Add New button.
2. Enter a Virtual Address.
3. Select the Exchange 2013 SMTP with ESP template from the Use Template drop-down list depending on your preference.
4. Click Add This Virtual Service.
5. Expand ESP Options.

   

6. Enter the Permitted SMTP Domain for the Organization and click Set Permitted Domains.
7. Expand the Real Servers section.
8. Click Add New.
9. For Real Server Address, enter the IP Address for one of the Office Online Servers.
10. Click Add this Real Server.
11. Add any additional Real Servers as necessary.