It doesn’t have to be an email acc. Persona doesn’t actually have any dependency on email. Addresses that look like email (user@domain.tld) are just used for namespacing. The only requirement is that domain.tld can assert that you control user@domain.tld.<p><a href="https:&#x2F;&#x2F;developer.mozilla.org&#x2F;en-US&#x2F;Persona&#x2F;Protocol_Overview" rel="nofollow">https:&#x2F;&#x2F;developer.mozilla.org&#x2F;en-US&#x2F;Persona&#x2F;Protocol_Overvie...</a>