From: Chris Green (chrisareti.co.uk)
Date: Sun Mar 02 2003 - 11:29:02 CST

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I seem to have got postfix installed mostly correctly now but I'm
still getting this error when sending mail from the system where I've
installed postfix to my work E-Mail which is behind a firewall.

The significant part of the deleivery error report that gets returned
to the sender is:-

    --735C82AF144.1046623840/server.isbd.co.uk
    Content-Description: Delivery error report
    Content-Type: message/delivery-status

    Reporting-MTA: dns; server.isbd.co.uk
    Arrival-Date: Sun, 2 Mar 2003 16:50:40 +0000 (GMT)

    Final-Recipient: rfc822; chriskbss.bt.co.uk
    Action: failed
    Status: 5.0.0
    Diagnostic-Code: X-Postfix; kbss.bt.co.uk: Host name has no address

    --735C82AF144.1046623840/server.isbd.co.uk
    Content-Description: Undelivered Message
    Content-Type: message/rfc822

    Received: by server.isbd.co.uk (Postfix, from userid 1000)
            id 735C82AF144; Sun, 2 Mar 2003 16:50:40 +0000 (GMT)
    Date: Sun, 2 Mar 2003 16:50:40 +0000
    From: Chris Green <chrisserver.isbd.co.uk>
    To: chriskbss.bt.co.uk
    Subject: Test
    Message-ID: <20030302165040.GA18031server.isbd.co.uk>
    Mime-Version: 1.0
    Content-Type: text/plain; charset=us-ascii
    Content-Disposition: inline
    User-Agent: Mutt/1.4i

    To chriskbss.bt.co.uk

    --
    Chris Green - at home

    --735C82AF144.1046623840/server.isbd.co.uk--

The maillog on the sending system has:-

   Mar 2 16:50:40 server postfix/pickup[17975]: 735C82AF144: uid=1000 from=<chris>
   Mar 2 16:50:40 server postfix/cleanup[18036]: 735C82AF144: message-id=<20030302165040.GA18031server.isbd.co.uk>
   Mar 2 16:50:40 server postfix/qmgr[489]: 735C82AF144: from=<chrisisbd.co.uk>, size=466, nrcpt=1 (queue active)
   Mar 2 16:50:40 server postfix/smtp[18038]: 735C82AF144: to=<chriskbss.bt.co.uk>, relay=none, delay=0, status=bounced (kbss.bt.co.uk: Host name has no address)
   Mar 2 16:50:40 server postfix/cleanup[18036]: AFBA62AF147: message-id=<20030302165040.AFBA62AF147server.isbd.co.uk>
   Mar 2 16:50:40 server postfix/qmgr[489]: AFBA62AF147: from=<>, size=2059, nrcpt=1 (queue active)
   Mar 2 16:50:43 server postfix/smtp[18038]: AFBA62AF147: to=<chrisisbd.co.uk>, relay=isbd.co.uk[212.134.96.150], delay=3, status=sent (250 OK id=18pWgl-0004Z1-00)

(I fixed the date/time at last!)

The destination address (chriskbss.bt.co.uk) is behind a firewall of
course and kbss.bt.co.uk is not an actual machine name (and thus has
no IP address) however I can send mail successfully to chriskbss.bt.co.uk
from other systems.

--
Chris Green (chrisareti.co.uk)

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