postfix resolve problem

Discussion in 'Server Operation' started by Rixcz, Jul 14, 2009.

  1. Rixcz

    Rixcz New Member

    Hi, If I want sent mail on someone server, I recieved this:


    This is the mail system at host

    I'm sorry to have to inform you that your message could not
    be delivered to one or more recipients. It's attached below.

    For further assistance, please send mail to postmaster.

    If you do so, please include this problem report. You can
    delete your own text from the attached returned message.

    The mail system

    <[email protected]>: host[194.x.x.x] said: 501 5.7.1
    <[email protected]>... Sender IP must resolve (in reply to MAIL FROM


    Received: from dilna ( [])
    by (Postfix) with ESMTP id AA23C2144056;
    Mon, 13 Jul 2009 15:04:53 +0200 (CEST)
    Message-ID: <[email protected]>
    From: "dilna" <[email protected]>
    To: <[email protected]>
    Cc: <[email protected]>
    Subject: =?iso-8859-1?Q?Duc=E1to?=
    Date: Mon, 13 Jul 2009 15:04:47 +0200
    MIME-Version: 1.0
    Content-Type: multipart/mixed;
    X-Priority: 3
    X-MSMail-Priority: Normal
    X-Mailer: Microsoft Outlook Express 6.00.2800.1106
    X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106
    X-Antivirus: avast! (VPS 090712-0, 12.07.2009), Outbound message
    X-Antivirus-Status: Clean


    ps: I use ISPconfig 2

    Any idea? thx
    Last edited: Mar 30, 2010
  2. abix_adamj

    abix_adamj New Member

    Change Reverese DNS for your Server to something, which looks like a server.


Share This Page