How can I unsubscribe from commercial emails?
If you no longer wish to receive updates or promotions from GroupSumi, you have two ways to unsubscribe your email:

  1. By clicking on the unsubscribe option that appears in the footer of all promotional emails we send.
  2. Sending an email to [email protected] requesting to unsubscribe and indicating the email address you wish to unsubscribe.

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