From owner-freebsd-stable@FreeBSD.ORG Fri Aug 27 09:22:12 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BDE5A1065696 for ; Fri, 27 Aug 2010 09:22:12 +0000 (UTC) (envelope-from ronald-freebsd8@klop.yi.org) Received: from smtp-out1.tiscali.nl (smtp-out1.tiscali.nl [195.241.79.176]) by mx1.freebsd.org (Postfix) with ESMTP id 50EBE8FC27 for ; Fri, 27 Aug 2010 09:22:12 +0000 (UTC) Received: from [212.123.145.58] (helo=sjakie.klop.ws) by smtp-out1.tiscali.nl with esmtp (Exim) (envelope-from ) id 1Oov8V-0001CR-8C; Fri, 27 Aug 2010 11:22:11 +0200 Received: from 212-123-145-58.ip.telfort.nl (localhost [127.0.0.1]) by sjakie.klop.ws (Postfix) with ESMTP id F0921194EB; Fri, 27 Aug 2010 11:22:05 +0200 (CEST) Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes To: "Mark Andrews" References: <4C74261A.4000401@icyb.net.ua> <20100827082128.07538364425@drugs.dv.isc.org> Date: Fri, 27 Aug 2010 11:22:05 +0200 MIME-Version: 1.0 From: "Ronald Klop" Message-ID: In-Reply-To: <20100827082128.07538364425@drugs.dv.isc.org> User-Agent: Opera Mail/10.61 (FreeBSD) Content-Transfer-Encoding: quoted-printable Cc: freebsd-stable@freebsd.org, Andriy Gapon Subject: Re: cname replace in mail address? [off-topic] (Re: Attn Ronald Klop) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Aug 2010 09:22:12 -0000 Mandatory? I'm googling, but can't find a document that declares it =20 mandatory and only sendmail seems to do it. I think it is lame to use DNS info to rewrite e-mail addresses, but the =20 person who made it 'mandatory' will have good reasons for it. Does somebody have a pointer to the specs about this? Ronald. On Fri, 27 Aug 2010 10:21:27 +0200, Mark Andrews wrote: > > In message , "Ronald =20 > Klop" writ > es: >> offtopic, but why do some mailers replace a CNAME in a mail-address? > > Because it used to be manditory to do so. If you don't want it to > be done use a MX record. > > klop.yi.org MX 0 thuis.klop.ws > > If you need klop.yi.org to have a address record then give it one. > > klop.yi.org A 212.123.145.58 > > Mark > >> root@sheeva2:/var/vmail# host klop.yi.org >> klop.yi.org CNAME thuis.klop.ws >> thuis.klop.ws A 212.123.145.58 >> >> It is not the first time that I'm bitten by this, but I never =20 >> understood =3D >> =3D20 >> it. >> >> Ronald. >> >> On Tue, 24 Aug 2010 22:05:46 +0200, Andriy Gapon =20 >> wrote: >> >> > >> > Ronald, >> > >> > your email address bounces, that's inconvenient. >> > >> > >> > -------- Original Message -------- >> > Subject: Returned mail: Service unavailable >> > Date: Tue, 24 Aug 2010 23:03:33 +0300 (EEST) >> > From: Mail Delivery Subsystem >> > To: >> > >> > The original message was received at Tue, 24 Aug 2010 23:03:27 +0300= =20 >> =3D20 >> > (EEST) >> > from porto-e.starpoint.kiev.ua [212.40.38.100] >> > >> > ----- The following addresses had permanent fatal errors ----- >> > >> > >> > ----- Transcript of session follows ----- >> > ... while talking to thuis.klop.ws.: >> >>>> RCPT To: >> > <<< 554 5.7.1 : Relay access denied >> > 554 ... Service unavailable >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to =20 >> "freebsd-stable-unsubscribe@freebsd.org"