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Configure Exchange 2013 or 2016 for Proofpoint Essentials

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Situation
You want to configure Exchange 2013 or 2016 to send outbound with Proofpoint Essentials
Solution The below information will guide you, step by step, to setup the outbound connectors.

 

Configuring Smart Host and Setting Up Outbound connectors

  1. Open the Exchange Administration Center (EAC)
  2. Login to the EAC as an administrator

  3. In the left menu, navigate to Mail Flow > Send Connectors > New to add a new connector.                                 

  4. Enter a name of your choice, i.e.  Proofpoint Essentials Outbound, then select Internet (to send internet mail), then click Next.                                 

  5. Click Route mail through smart hosts then Add to add the new server that will act as a smart host, then click Next.                                               

  6. Enter the Smart Host address, then click Save.

    Note: if you are  hosted in:

    • EU make sure to use outbound-eu1.ppe-hosted.com 
    • US make sure to use outbound-us1.ppe-hosted.com  
  7.  You will see the info you entered in the smart host window                                                                                                                                         

  8. Click None if no Authentication is required, otherwise, click Basic authentication  (screen shot below).                                                           

    Note- MOST configurations select none if they have added the public IP of the Exchange server in as a recognized Sending Server in Proofpoint Essentials. (Administration- Account Management- Domains- Sending Server).

  9. Do nothing for Exchange server authentication and Externally secured (for example, with IPSec), then click Next.

  10. Click Add to all the hosts that are allowed to send through this connector.                                                                                                         

  11. For Type, select SMTP, Enter * in the FQDN field, Enter 1 in the Cost field, then click Save.                                                                                     

  12. Click Add and enter permitted source server, then click Finish.                                                                                                             

  13. Click the appropriate server from the list, then click Add, then OK, then Finish.

  14. You will then see a display of the sent connector you just created that will be used to send outbound mail.