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    S/MIME with LDAP-GAB

    Kopano Groupware Core
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    • itserv
      itserv last edited by

      Hi all!

      I don’t understand how this could work …

      Running KC with the last Zarafa Plugin on Outlook 2016, I start to fiddle around with S/MIME. My mails get signed, and I can also sucessfully exchange encrypted mails with people OUTSIDE of of my organisation.

      But trying to encrypt a mail internally does not work, obvisously because Outlook is not able to store back the S/MIME certificate from my colleque to the LDAP server where the GAB is built from, and where the internal E-Mail adresses are resolved to.

      I don’t see how this could ever work … or am I wrong? Do I have to do something to “enhance” my LDAP with the S/MIME certificates of the internal staff? Where can I find documentation on this?

      Thank you for any advice,

      Peter

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      • Sebastian
        Sebastian Kopano last edited by

        Could you specify a bit better which versions you are using?

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        • itserv
          itserv last edited by itserv

          Sure.

          Kopano 8.5.4.0-0+9.1 on Debian 8 x64
          Outlook 365 (=Outlook 2016)
          Zarafa Client 7.2.6.52189
          OpenLDAP 2.4.40
          z-push 2.3.9 with a Android-based mobile phone using the app “nine”
          KOE not installed

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          • fbartels
            fbartels Kopano last edited by

            you need no include the users certificate in your gab (and therefore ldap). The attribute

            # PR_USER_CERTIFICATE
            #0x3A220102     =       userCertificate
            

            is used for that.

            Regards Felix

            Resources:
            https://kopano.com/blog/how-to-get-kopano/
            https://documentation.kopano.io/
            https://kb.kopano.io/

            Support overview:
            https://kopano.com/support/

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            • itserv
              itserv last edited by

              Ah, I need to add the user certificate in LDAP. That makes sense.

              I’ll try this.

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