This routing rule instructs Google to send all outgoing e-mails to the seppmail.cloud.

Create as follows:

  1. Go to Apps > Google Workspace > Settings for Gmail > Routing.
  2. Click on ADD ANOTHER RULE.
  3. Enter a routing name, e.g. "SEPPmail Outbound Routing".
  4. Under 1. Email messages to affect, select the following options:
    • Outbound
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    • Change the route
      Select SEPPmail Relay Smarthost.
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  5. Scroll down to Encryption (onward delivery only) and select the option Require secure transport (TLS).
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  6. Further down, click on Show options and select:
    • B. Account types to affect
      • Users
    • C. Envelope filter
      • Only affect specific envelope senders
  7. Pattern match:
    In the Regexp field, enter a regular expression that matches all your domains. For example:        
    .*@sepp-mail\.es
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  8. Click on Save.