Can Discourse function without emails entirely?

[Bas (Bas van Leeuwen)]

@meglio

what about new user registrations?

I think you should be able to do this, if you have SSO setup.

Emails are an absolutely requirement to verify email addresses. Otherwise you’ll get hit by spam. But you can bypass this if you delegate verification to your SSO set this:

Oauth2 plugin sso, how to switch off email verification

There is a setting called “oauth2 email verified” that you can check. Here is the description for the setting: Check this if the OAuth2 site has verified the email