Hello, we are Lumino.We use this domain (e.hellolumino.com) to send emails to those who have opted to receive communications from us, like our newsletters.We send emails only to those who have granted us permission first, and every email includes the ability to prevent emails from us in the future.Because email is insecure, it's possible to receive an email that was not sent from whoever appears to be the sender. We have taken industry-standard anti-spam measures to help service-providers tell when this domain is being used legitimately.If you have a concern about how we use this domain, please contact us.