The keys are one-time generated. The key for backend integration is secure as long as it is not shared with someone else. And the key for front-end is one of th

The keys are one-time generated. The key for backend integration is secure as long as it is not shared with someone else. And the key for front-end is one of the parameters to identify the domain that was already registered at Emailyt. And the emails that go out via emailyt are all sent from 'Emailyt For {AppName}(relay@emailyt.com)'