Exchange PKI - certificate verify failed


  • Used Zammad version: 2.7
  • Used Zammad installation source: Debian 9 DEB

Expected behavior:

  • Import own PKI root ca for Exchange https certficate verification or skip the verification.

Actual behavior:

  • Exchange integration fails with certificate verification error in Log:
    Parameters: {“endpoint”=>“https://xxxx.intra/EWS/Exchange.asmx”, “user”=>""…
    “SSL_connect returned=1 errno=0 state=error: certificate verify failed”

This seems to be a bug, at least if the following issue covers your issue as well.

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