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Old 26th April 2009, 22:58
BorderAmigos BorderAmigos is offline
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Default Postfix, ISPConfig 3, Problem receiving emails

I have ISPConfig 3 set up with several domain names. I am on a dynamic IP which is blacklisted by SpamHaus so I followed another HowTo here to relay thru an email server account I have elsewhere. Now I can send emails from my local accounts without getting rejected.

But I can not receive emails.

If sent to a yahoo account, yahoo receives ok. Trying to reply gives...

Hi. This is the qmail-send program at yahoo.com.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

Sorry, I couldn't find a mail exchanger or IP address. (#5.4.4)

--- Below this line is a copy of the message.

Return-Path: <example@yahoo.com>
Received: (qmail 59772 invoked by uid 60001); 26 Apr 2009 19:42:57 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1240774977; bh=9ObKdF1j79JB4kOcN05qoE35zC6+8+lApgR3WB1VdAo=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=Zy+qwJR3GMGq4uuK4dHJoNlhpOZCgTyjMkmVHKAKnfkvNcJn6eoywhc9Xl5RhQEpaVsUGIncZsbm8OJJH54LaRDL9v/G0R6tZ/IN1cKw/gIDsKofoesJwfMn+H7UfDbka+bXLSbyfDVGSik/hvu7GpSceAl4A0gzZUziWnNQeqU=
DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws;
  s=s1024; d=yahoo.com;
Message-ID: <400344.59189.qm@web50209.mail.re2.yahoo.com>
X-YMail-OSG: Wl0NdAgVM1kGSvgMUpkCheHVy9bkob8XtsCCm2uJOAGbWOIXrz_WkWaiHCcjSB7ql89NuiH6yQcZu754Jm42y4cPHb3ksYPrYbSff3CgTg5Wo84SHwTDmPlFomiPskS42pSVbGHHTFAyl3EFwri.jTGCOUgrHxW4vlErQWdHHEuKLgSGyJZN.91XHHicTmIH1JBlqYp96KkyzwDYsjOdyDkkKvq4rdaO2BbUQvjP.SuAJ20kvX9goorr.P2sITi7QYHt4tSJozyg2IXaClxggL4uIKkn_Lsphi.4lE4BMsh9jH1Wnv5DNyw-
Received: from [] by web50209.mail.re2.yahoo.com via HTTP; Sun, 26 Apr 2009 12:42:57 PDT
X-Mailer: YahooMailWebService/
Date: Sun, 26 Apr 2009 12:42:57 -0700 (PDT)
From: J <example@yahoo.com>
Reply-To: example@yahoo.com
Subject: Re: yahoo test
To: admin@example.com
In-Reply-To: <49a92f726c8e3be612057a37dff8b181.squirrel@mail.example.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
If I send a message to an email address on the server I'm relaying thru 2 copies arrive. When I reply I get a copy of the response and 2 copies of the following failure message...
This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

    (ultimately generated from admin@example.com)
    Unrouteable address

------ This is a copy of the message, including all the headers. ------

Return-path: <john@other_example.com>
Received: from cpe-24-25-213-194.san.res.rr.com ([]:51995 helo=[])
        by dallas4.tx.ipxf.net with esmtpa (Exim 4.69)
        (envelope-from <john@other_example.com>)
        id 1LyAJl-0002lu-TD
        for admin@example.com; Sun, 26 Apr 2009 14:47:14 -0500
Subject: Re: other_example.com test
From:  <john@other_example.com>
Reply-To: john@other_example.com
To: admin@example.com
In-Reply-To: <70df6d0b9d095b77685f1f3cae51350a.squirrel@mail.example.com>
References: <70df6d0b9d095b77685f1f3cae51350a.squirrel@mail.example.com>
Content-Type: text/plain
Date: Sun, 26 Apr 2009 12:47:11 -0700
Message-Id: <1240775231.26927.2.camel@host.example.com>
Mime-Version: 1.0
X-Mailer: Evolution 
Content-Transfer-Encoding: 7bit

On Sun, 2009-04-26 at 12:46 -0700, admin@example.com wrote:
> other_example.com test
That I'm getting 2 copies and an email address in the message that shouldn't exist (admin@nonexistent_example.com) makes me thing there is a forwarder set up at my offsite ISP. I do not have one set up and they haven't responded.

I seem to have my local DNS and MX records set up. I changed /etc/postfix/main.cf line MYDESTINATIONS to point to a file called local-host-names, then added all my domains to that file (including mail.domain.com).

So does this appear to be a local problem or a problem at my relay ISP? Does the relaying only affect sending mail (which seems to work ok) or can it mess with my receiving mail as well?

... I changed the email addresses and domains in the examples to avoid spam bots, the actual local mailserver domain is host.servidora.net, and a domain I'm trying to receive at is sys666.net. Thanks for any pointers, you guys are great.
System6Hosting.com, ISPConfig 3, Debian.

Last edited by BorderAmigos; 26th April 2009 at 23:01. Reason: fix
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