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Quarantining the message means that the message will either be delivered, with the subject text modified to indicate that the message might be spam, to a special "quarantine inbox" assigned to a user or to a "global" quarantine mailbox designated by the administrator


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In the Google Admin console, you can add, edit, delete, and review email quarantines.


To add a quarantine:

  1. Log in to the G suite Admin Console .

  2. From the Admin console, go to Apps > G Suite > Gmail > Manage quarantines.

  3. Click Add Quarantine.

  4. Assign quarantine settings: 

    • Enter a name and description.

    • For incoming and outgoing messages, choose whether or not to send a reject message to the sender when you deny delivery of a quarantined message.

    • (Optional) Select Notify periodically when messages are quarantined.

  5. Click Save.

To edit a quarantine:

  1. From the Admin console, go to Appsand thenG Suiteand thenGmailand thenManage quarantines.
  2. Click Edit next to the desired quarantine.

  3. Make the desired changes and click Save.

To delete a quarantine:

  1. From the Admin console, go to Appsand thenG Suiteand thenGmailand thenManage quarantines.
  2. Click Delete to the right of the quarantine name and confirm. Any remaining messages in the quarantine are moved to the Default quarantine.

Note: Quarantines in use by one or more policy settings can't be deleted. To delete an active quarantine, go to the relevant setting and point it to a different quarantine. 

 


To review quarantine settings:

  1. From the Admin console, go to Appsand thenG Suiteand thenGmailand thenManage quarantines.
  2. Click Go to Admin Quarantine. All quarantines, including the admin quarantine, are displayed.
  3. To the right of the desired quarantine name, click  and choose Settings to display the current settings.