From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1REwNj-0005HB-7Y for garchives@archives.gentoo.org; Sat, 15 Oct 2011 05:01:59 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id E128321C076; Sat, 15 Oct 2011 05:01:47 +0000 (UTC) Received: from svr-us4.tirtonadi.com (svr-us4.tirtonadi.com [69.65.43.212]) by pigeon.gentoo.org (Postfix) with ESMTP id 6A19B21C038 for ; Sat, 15 Oct 2011 05:00:52 +0000 (UTC) Received: from mail-bw0-f53.google.com ([209.85.214.53]) by svr-us4.tirtonadi.com with esmtpsa (TLSv1:RC4-SHA:128) (Exim 4.69) (envelope-from ) id 1REwMe-003X4V-HU for gentoo-user@lists.gentoo.org; Sat, 15 Oct 2011 12:00:52 +0700 Received: by bke11 with SMTP id 11so297901bke.40 for ; Fri, 14 Oct 2011 22:00:47 -0700 (PDT) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.223.58.83 with SMTP id f19mr8429111fah.36.1318654847515; Fri, 14 Oct 2011 22:00:47 -0700 (PDT) Received: by 10.223.79.10 with HTTP; Fri, 14 Oct 2011 22:00:47 -0700 (PDT) Received: by 10.223.79.10 with HTTP; Fri, 14 Oct 2011 22:00:47 -0700 (PDT) In-Reply-To: <4E98DE2E.6050301@badapple.net> References: <4E98DE2E.6050301@badapple.net> Date: Sat, 15 Oct 2011 12:00:47 +0700 Message-ID: Subject: Re: [gentoo-user] Postfix to relay mail even if acting as primary MX host? From: Pandu Poluan To: gentoo-user@lists.gentoo.org Content-Type: multipart/alternative; boundary=0015174027a6c47cc904af4f41ff X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - svr-us4.tirtonadi.com X-AntiAbuse: Original Domain - lists.gentoo.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - poluan.info X-Archives-Salt: X-Archives-Hash: 6d345487f36e02792bdc9d2eff266177 --0015174027a6c47cc904af4f41ff Content-Type: text/plain; charset=UTF-8 On Oct 15, 2011 8:16 AM, "kashani" wrote: > > On 10/13/2011 3:11 AM, Pandu Poluan wrote: >> >> >> # NOTE: Postfix will not automatically forward mail for domains that >> # list this system as their primary or backup MX host. See the >> # permit_mx_backup restriction description in postconf(5). > > > The point of this is to say, "If some dude points DNS at your server and/or configures their mail server to send mail to yours, it's not going to relay mail for them. You have to actually configure the domains to be relayed." > > Since you're planning to configure the domain you should be fine. > Ah, thanks! That's a very succinct yet clearest explanation! :-) >Also less overthinking and more testing solves most of this stuff quicker. > I prefer to arm myself with enough knowledge before deploying -- even in a testing setup -- to reduce any 'WTF?!' moments :-) Rgds, --0015174027a6c47cc904af4f41ff Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Oct 15, 2011 8:16 AM, "kashani" <kashani-list@badapple.net> wrote:
>
> On 10/13/2011 3:11 AM, Pandu Poluan wrote:
>>
>>
>> # NOTE: Postfix will not automatically forward mail for domains th= at
>> # list this system as their primary or backup MX host. See the
>> # permit_mx_backup restriction description in postconf(5).
>
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0The point of this is to say, "If some = dude points DNS at your server and/or configures their mail server to send = mail to yours, it's not going to relay mail for them. You have to actua= lly configure the domains to be relayed."
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0Since you're planning to configure the = domain you should be fine.
>

Ah, thanks! That's a very succinct yet clearest explanation! :-)

>Also less overthinking and more testing solves most of this stuff qu= icker.
>

I prefer to arm myself with enough knowledge before deploying -- even in= a testing setup -- to reduce any 'WTF?!' moments :-)

Rgds,

--0015174027a6c47cc904af4f41ff--