Samsung S10 enrollement to Native mail.

[CaryRiley]

I can enroll but I do not see it on the device.

[henkor]

I think you mean that you don't see the native email app on the device.
you need to download it from the google play
https://play.google.com/store/apps/details?id=com.samsung.android.email.provider

[CaryRiley]

Problem resolved, there was a double authentication process for this user.
Thank you.
Cary Riley