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    Statement regarding the closure of the Kopano community forum and the end of the community edition

    You are not allowed to send as user or group “Z-Push”

    Synchronising (mobile) devices via Z-Push
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    • Handyman
      Handyman last edited by

      A User got this Email in his inbox (i’ve not altered it) and i have no clue of what can cause this, neither did he. Any ideas what can cause such messages ?.

      There is no mailbox Zpush so he cannot select that from the addresses, and yes we make use of Z-push but there is no indication on what message this was caused by.

      -----Original Message-----
      From: Mail Delivery System [mailto:invalid@invalid]
      Sent: Wednesday, 17 February 2021 13:55
      To: Z-Push
      Subject: Undelivered Mail Returned to Sender

      Unfortunately, kopano-spooler was unable to deliver your mail.
      The error given was:

      You are not allowed to send as user or group “Z-Push”

      You may need to contact your e-mail administrator to solve this problem.

      fbartels Manfred 2 Replies Last reply Reply Quote 0
      • fbartels
        fbartels Kopano @Handyman last edited by

        Hi @handyman,

        more information could be found in the logging of z-push.

        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/

        1 Reply Last reply Reply Quote 0
        • Manfred
          Manfred Kopano @Handyman last edited by

          Hi @handyman,

          did the user open some shared folders? It’s possible that this is an email Z-Push sends when someone tries to modify an item in a shared folder, but doesn’t have sufficient permissions.

          Anyway, as Felix already posted, Z-Push logs would be helpful.

          Manfred

          Pax 1 Reply Last reply Reply Quote 0
          • Pax
            Pax @Manfred last edited by Pax

            Maybe you are rerouting a public mailadress like info@company.com to a public folder so that multiple users have access to that. AND maybe there was a mail delivered where the sender asked for read confirmation.
            If so, there might be a user who opened that mail, had seen the request for read confirmation and clicked on “yes” or “send read confirmation”. Tadaaa the user is not allowed to send a read confirmation in behalf of info@company.com. As there is no user info@company.com or the user has not the permission.

            Hint if you are using Outlook: In Outlook there is an option “always send read confirmation” or “never ask again”. If so, its happening automatically without the user beeing aware of that. (Took me some time to find that out in the past)

            This is just an example. But public folders are a good way to start looking for. Could also be related to public calendars, opened mailboxes with only read permission (and not send as).

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