Hello Everyone,
I have a few questions regarding External User Access to On‑Prem Exchange via Netskope Private Access or Reverse Proxy.
We are using Netskope Private Access (NPA) to publish our on‑premises Exchange Server behind a Netskope Publisher. Currently, only managed devices with the Netskope Client are allowed to access OWA and Outlook, and unmanaged devices are blocked who don’t have Netskope agent Installed — this is working as expected.
This behavior is working as designed and aligns with our Zero Trust access policies.
We now have a requirement to allow external users to access Outlook or OWA from non-managed devices and we have not exposed our OVA to Internet.
Could you please confirm the following:
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Can Outlook or OWA access for external users be provided using Netskope Private Access without requiring the Netskope client on the user device?
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is there any other supported approach to provide external user access to an on-premises Exchange server?
Thank you for your confirmation.




