SSO / SAML login errors
- "SSO not configured for this organization": SSO hasn't been set up yet for your org; see SSO & Identity, or use
/?manual=true to log in normally in the meantime.
- "SSO assertion rejected: email domain does not belong to this organization.": the single most common SAML misconfiguration: your IdP is sending an email attribute that doesn't match your organization's domain. Check which SAML attribute your IdP maps to email and confirm it matches the user's real email address.
- "SAML Auth Failed: ...": generally a certificate or signature mismatch between what your IdP sent and what DMARCS has on file. Re-upload your IdP's current Federation Metadata XML.
- Metadata upload fails with "Failed to parse XML.": the file must be a well-formed SAML metadata document with an
EntityDescriptor, an HTTP-Redirect SSO binding, and an X.509 certificate. Re-export it fresh from your IdP rather than hand-editing it.
- Any OIDC token error ("Malformed id_token," "audience mismatch," "issuer not recognized," "token expired"): these all mean the identity token DMARCS received from your IdP didn't validate. Re-check the Tenant ID / Client ID / Client Secret you entered against your IdP app registration.
Emergency access: append /?manual=true to your dashboard URL any time SSO itself is the problem: this always forces the standard email/password login screen.