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How do I set up smarthosting for Google Workspace?

Zix Email Encryption with Google Workspace:

This is a 2-step process:

  • Add a Mail Route
  • Create a Routing Rule

Add a mail route: 

  1. Sign in to the Google Admin Console with your admin account.
  2. Go to Apps > Google Workspace > Gmail > Hosts
  3. Select Add Route
  4. Give the route a name, such as "ZixEncrypt Route"
  5. For Specify email server, enter the SmartHost servers from Step 7 (in the Zix Customer Portal)
    1. For Options, check Require secure transport (TLS) and Require CA signed certificate
    2. Click Save 


Create a Routing rule:

The routing rule instructs Google to send all outbound mail to the Zix systems.


  1. Sign in to the Google Admin Console with your admin account.
  2. Go to Apps < Google Workspace < Gmail < Routing.
    • Note: You might find this setting at App < Google Workspace < Gmail < Advanced Settings.
  3. Select Configure
  4. Enter a descriptive name, such as "ZixEncrypt Outbound Routing"
  5. Under Messages to affect, select the following:
    1. Outbound
    2. Under Envelope filter, check Only affect specific envelope senders
    3. Select Pattern match.
    4. In the Regexp field, enter a regular expression that matches all of your domains. For example: (?i)(|
    5. Under For the above types of messages, select the following:
      1. From the drop down, select Modify message
      2. Under Route, check Change Route and select the route you created from the section above.  Example: Zix Route
      3. Under Encryption (onward delivery only), check Require secure transport (TLS)
      4. Press ADD SETTING

6. Press SAVE in the bottom right hand corner

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  1. Carlos Rios

  2. Posted