IPv6 and email routing, was Re: AAAA records to be added for root servers
Tony Finch <dot@dotat.at> Mon, 07 January 2008 19:23 UTC
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Date: Mon, 07 Jan 2008 19:22:27 +0000
From: Tony Finch <dot@dotat.at>
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To: John C Klensin <john-ietf@jck.com>
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Cc: Barbara Roseman <barbara.roseman@icann.org>, ietf@ietf.org
Subject: IPv6 and email routing, was Re: AAAA records to be added for root servers
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On Fri, 4 Jan 2008, John C Klensin wrote: > > However, there is also a rule that, if no MX records are present at a > particular node, the mail system looks for an A RR at the same node and > treats it as if its label appeared with an MX preference of 0. That > default does not apply to AAAA records, so it is necessary that > operators understand that, if mail systems are to be accessed using > IPv6, they MUST have MX records at the relevant nodes. The only document that I know of which specifies IPv6 email routing is RFC 3974, which says that AAAA should be treated exactly the same as A. As far as I know, Exim, Postfix, and Sendmail follow RFC 3974. Tony. -- f.a.n.finch <dot@dotat.at> http://dotat.at/ IRISH SEA SHANNON ROCKALL MALIN: MAINLY SOUTHWESTERLY, BECOMING CYCLONIC FOR A TIME IN SHANNON, ROCKALL AND MALIN, 6 TO GALE 8, OCCASIONALLY SEVERE GALE 9, PERHAPS STORM 10 LATER IN SHANNON, ROCKALL AND MALIN. ROUGH OR VERY ROUGH, OCCASIONALLY HIGH. RAIN OR SQUALLY SHOWERS. MODERATE. _______________________________________________ Ietf mailing list Ietf@ietf.org https://www1.ietf.org/mailman/listinfo/ietf
- RE: AAAA records to be added for root servers Hallam-Baker, Phillip
- Transitioning to IPv6 == dual-stack (Re: AAAA rec… Jeroen Massar
- AAAA records to be added for root servers Barbara Roseman
- Re: AAAA records to be added for root servers John C Klensin
- Re: AAAA records to be added for root servers Bill Manning
- Re: AAAA records to be added for root servers John C Klensin
- Re: AAAA records to be added for root servers Iljitsch van Beijnum
- Re: AAAA records to be added for root servers Franck Martin
- Re: AAAA records to be added for root servers John C Klensin
- Re: AAAA records to be added for root servers Bill Manning
- Re: AAAA records to be added for root servers Franck Martin
- Re: AAAA records to be added for root servers John C Klensin
- Re: AAAA records to be added for root servers Brian E Carpenter
- Re: AAAA records to be added for root servers Bill Manning
- Re: AAAA records to be added for root servers Iljitsch van Beijnum
- Re: AAAA records to be added for root servers John C Klensin
- Re: AAAA records to be added for root servers Masataka Ohta
- Re: AAAA records to be added for root servers Iljitsch van Beijnum
- Re: AAAA records to be added for root servers Brian E Carpenter
- Re: AAAA records to be added for root servers Mark Andrews
- RE: AAAA records to be added for root servers Hallam-Baker, Phillip
- RE: AAAA records to be added for root servers Pasi.Eronen
- Re: AAAA records to be added for root servers Bill Manning
- Re: [apnic-talk] AAAA records to be added for roo… Jeffrey A. Williams
- Re: AAAA records to be added for root servers Iljitsch van Beijnum
- IPv6 and email routing, was Re: AAAA records to b… Tony Finch
- Re: IPv6 and email routing, was Re: AAAA records … Jeroen Massar
- IPv6 and email routing, was Re: AAAA records to b… Tony Finch
- Re: IPv6 and email routing, was Re: AAAA records … Tony Finch
- IPv6 and email routing, was Re: AAAA records to b… Tony Finch
- Re: AAAA records to be added for root servers SM
- Re: IPv6 and email routing, was Re: AAAA records … Franck Martin
- Re: AAAA records to be added for root servers Brian E Carpenter
- Re: IPv6 and email routing, was Re: AAAA records … Dave Crocker
- Re: IPv6 and email routing, was Re: AAAA records … John C Klensin
- Re: IPv6 and email routing, was Re: AAAA records … Dave Crocker
- Re: IPv6 and email routing, was Re: AAAA records … Tony Finch