How to enforce TLS inbound from and outbound to a specific external domain
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How to enforce TLS inbound from and outbound to a specific external domain

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Article ID: 178819

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Updated On:

Products

Messaging Gateway

Issue/Introduction

You need to enforce TLS connections inbound from, and/or outbound to a specific external domain

Resolution

  1. Add the external domain to Messaging Gateway:

    1. In the control center, go to (Protocols -> Domains).
    2. Click Add
  2. Enter the Domain information:

    1. Type the domain name (everything after the @ sign) in "Domain or email address"
    2. Uncheck, "
    3. (Optional, if wanting to enforce TLS for inbound connections from this domain) Check "Reject mail from this domain if not sent using TLS"
  3. Configure Delivery settings:

    1. Click the Delivery tab.
    2. Check ""
    3. Select one of the options below:
      • "Attempt TLS encryption" (Optional TLS)
      • "Require TLS encryption and don't verify certificate" (TLS required, but the certificate won't be verified)
      • "Require TLS encryption and verify certificate" (TLS required and the certificate must be verified)
  4. Scroll to the bottom of the page and click "Save"
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