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  • Attachment missing when sending

    Hi.
    A customer is sending attached PDF-files ( Invoices) to customers.
    Some customers DO get the attached PDF-file, others don't.
    Scenario:
    SBS 2003 with Exchange SP2, Computers XP Pro with SP 3, Outlook 2007
    Problem is the same for all domainusers, so I believe it is an Exchange-problem.
    Problem is the same with and without a smart-host for Exchange.
    One mail sent to me ( I'm external) AND to the customer:
    I get the PDF, the customer don't.
    When I forward this same mail to the customer, then he DOES get the PDF.

    Hopefully, someone knows what to do

    Thank's in advance
    Peter H

  • #2
    Re: Attachment missing when sending

    If it was an Exchange issue then all recipients wouldn't get the attachment.
    The primary cause of this is interference. AV, Antispam, firewall scanning SMTP traffic, something like that. You would need to eliminate each of them to discover which one it is.

    Disabling AV/Antispam is not enough, they have to be removed and the server rebooted to remove their hooks and show that product isn't the cause.

    Simon.
    --
    Simon Butler
    Exchange MVP

    Blog: http://blog.sembee.co.uk/
    More Exchange Content: http://exchange.sembee.info/
    Exchange Resources List: http://exbpa.com/
    In the UK? Hire me: http://www.sembee.co.uk/

    Sembee is a registered trademark, used here with permission.

    Comment


    • #3
      Re: Attachment missing when sending

      Hi.
      The server and PC's are running Symantec Endpoint Security, which I didn't install.
      Is there anything I can do to acknowledge, that this is the problem.
      Would there be any logs in Exchange or Symantec, where I could verify, that the attachment is removed?
      As you state, I have to uninstall on the Server and at least some workstations, so it is quite a step "just to check the AV"

      Thank's

      PeterH

      Comment


      • #4
        Re: Attachment missing when sending

        If you follow my posts you will find I have a simple rule.

        Where Symantec is installed, it is the cause of the problem.

        More often than not, Symantec's junk AV is the cause of whatever issue is wrong with the server. If I am asked to look at a server that isn't working correctly and there are any Symantec products installed, I remove them first. If the client will not let me, then I walk away from the job, because Symantec is so problematic with Exchange servers.

        Nothing will be logged because they simply damage the attachment in such a way that it means it gets dropped or cleaned up by other servers.

        Simon.
        --
        Simon Butler
        Exchange MVP

        Blog: http://blog.sembee.co.uk/
        More Exchange Content: http://exchange.sembee.info/
        Exchange Resources List: http://exbpa.com/
        In the UK? Hire me: http://www.sembee.co.uk/

        Sembee is a registered trademark, used here with permission.

        Comment

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