Date: Fri, 27 Aug 2010 11:22:05 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: "Mark Andrews" <marka@isc.org> Cc: freebsd-stable@freebsd.org, Andriy Gapon <avg@icyb.net.ua> Subject: Re: cname replace in mail address? [off-topic] (Re: Attn Ronald Klop) Message-ID: <op.vh3ay3dx8527sy@212-123-145-58.ip.telfort.nl> In-Reply-To: <20100827082128.07538364425@drugs.dv.isc.org> References: <4C74261A.4000401@icyb.net.ua> <op.vh27cqoy8527sy@212-123-145-58.ip.telfort.nl> <20100827082128.07538364425@drugs.dv.isc.org>
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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 <marka@isc.org> wrote: > > In message <op.vh27cqoy8527sy@212-123-145-58.ip.telfort.nl>, "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 <avg@icyb.net.ua> =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 <MAILER-DAEMON@citadel.icyb.net.ua> >> > To: <avg@icyb.net.ua> >> > >> > 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 ----- >> > <ronald-freebsd8@thuis.klop.ws> >> > >> > ----- Transcript of session follows ----- >> > ... while talking to thuis.klop.ws.: >> >>>> RCPT To:<ronald-freebsd8@thuis.klop.ws> >> > <<< 554 5.7.1 <ronald-freebsd8@thuis.klop.ws>: Relay access denied >> > 554 <ronald-freebsd8@thuis.klop.ws>... 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"
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