[153346] in North American Network Operators' Group
Re: Our first inbound email via IPv6 (was spam!)
daemon@ATHENA.MIT.EDU (Livingood, Jason)
Tue Jun 5 11:24:07 2012
From: "Livingood, Jason" <Jason_Livingood@cable.comcast.com>
To: Jeroen Massar <jeroen@unfix.org>, Raymond Dijkxhoorn
<raymond@prolocation.net>
Date: Tue, 5 Jun 2012 14:47:41 +0000
In-Reply-To: <4FCE18AF.80307@unfix.org>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 6/5/12 10:33 AM, "Jeroen Massar" <jeroen@unfix.org> wrote:
>Though it can work, it used to be a really bad idea as there where a
>couple of SMTP systems (Communigate Pro being one of them I recall)
>which just failed when not seeing an "A" on an MX, this as they did not
>understand IPv6...
>
>There is bound to be other systems that are broken like that that will
>not failover to the secondary MX, as such, you might want to add an IPv4
>address there too just in case.
Thanks for the advice. You are seeing inbound records in the very first
stage. More AAAA RRs are coming. The next 24-48 hours around World IPv6
Launch will be interesting.
Jason
