# External SSO External ID not recognised

**URL:** <https://meta.discourse.org/t/external-sso-external-id-not-recognised/80989>\
**Category:** SSO\
**Created:** [February 20, 2018, 2:02am UTC](https://meta.discourse.org/t/external-sso-external-id-not-recognised/80989 "2018-02-20T02:02:03Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)\
**Post date:** [February 20, 2018, 2:33am UTC](https://meta.discourse.org/t/external-sso-external-id-not-recognised/80989/4 "2018-02-20T02:33:20Z")

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Oh, this is a big problem, sso is not what you want to use without emails. Instead you would use oauth2 or saml so the user can complete the auth flow and provide/validate an email when registering.

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