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Re: mangled $myhostname

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  • Stan Hoeppner
    ... To what remote server? The log entry above shows her PC connecting to your Postfix server, and being rejected, because your Postfix server is configured
    Message 1 of 5 , Mar 27, 2012
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      On 3/27/2012 2:43 PM, brian wrote:
      > On 12-03-27 03:30 PM, Ralf Hildebrandt wrote:
      >> * brian<postfix-list@...>:
      >>> 2.8.5-2~build1 (Ubuntu)
      >>>
      >>> Does anyone have an idea what might be going on with $myhostname here?
      >>>
      >>> $ postconf -h myhostname
      >>> demeter.DOMAIN.org
      >>>
      >>> Mar 26 23:36:03 demeter postfix/smtpd[15657]: NOQUEUE: reject: RCPT
      >>> from bas10-montrealak-1128580898.dsl.bell.ca[67.68.199.34]: 504 5.5.2
      >>> <D7W9KDF1>: Helo command rejected: need fully-qualified hostname;
      >>> from=<administrator@...> to=<mail@...> proto=ESMTP
      >>> helo=<D7W9KDF1>
      >>
      >> 67.68.199.34 used the HELO D7W9KDF1 when sending mail to
      >> mail@...
      >>
      >
      > Ah, so this is her local machine? But she's relaying through Postfix so
      > shouldn't it identify itself as such to the remote server?

      To what remote server? The log entry above shows "her" PC connecting to
      your Postfix server, and being rejected, because your Postfix server is
      configured to reject_non_fqdn_helo_hostname. Your Postfix server never
      connects to a server at the remote domain. It's rejecting her mail, period.

      You should not be allowing this type of relay from consumer broadband
      connected PCs anyway. That's what SMTP SASL AUTH and the submission
      service. Read the Postfix docs regarding submission service and SASL AUTH.

      --
      Stan
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