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SSO - when configured, block sign in form that domain

Email API/SMTP

I would like to enforce SSO. Currently SSO is accessible via a specific link however users forget and use the standard sign in page which allow them to connect via the normal auth system.

When configured SSO, the standard page should detect the domain and enforced the usage of the SSO setup

Posted by Olivier Dédriche ·
Status: Completed3 comments

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Comments3

  • Mailtrap Team

    Team•

    Nov 18, 2025

    Mailtrap already has an “enforce SSO” option that ensures users must log in via SSO. You can check the details here.

    If your use case is a bit different from that - could you describe it a bit more? That’ll help us understand exactly what’s missing.

    • Olivier Dédriche

      •

      Nov 18, 2025

      you are right, and we have implemented it; and we can connect via SSO with a dedicated links. However it is still possible for my users to use the standard log in page with their professional email address and to connect; if this is a new user account, it creates a new accounts and for existing users, they can access our tenant.

      • Mailtrap Team

        Team•

        Nov 21, 2025

        Got it now - thanks for clarifying! We’ve added this need to our roadmap. We’ll keep you posted as it moves forward.