Unable to authenticate using Certificate-based Authentication on Samsung Email v6.1.30.30


  • Knox Platform for Enterprise (KPE)
  • Samsung Email v6.1.30.30


After the Samsung Email app update to version, users are no longer able to authenticate to mail servers using any form of Certificate-based authentication (CBA) or Kerberos authentication. Users encounter the following error:

A security connection error has occurred


The issue has been resolved in Samsung Email v6.1.31.2, which was released to Google Play on December 10, 2020.

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