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Enabling opportunistic TLS for all delivery in Messaging Gateway


Article ID: 172990


Updated On:


Messaging Gateway


TLS delivery for all email being delivered is needed in the Symantec Messaging Gateway.



  1. Go to Administration > Hosts > Configuration in the SMG GUI.
  2. Select the host you want to enable, and click Edit.
  3. Go to the SMTP tab.
  4. Click the Advanced Settings button at the bottom of the page.
  5. Select the Delivery tab.
  6. Check Attempt TLS encryption for delivery of all messages.
  7. If you have a specific certificate you wish to use, check the Offer TLS client certificate, and select the certificate in the dropdown.
  8. Click Continue.
  9. Click Save to commit the changes.
  10. Repeat for each SMG scanner.