[155141] in North American Network Operators' Group
Re: Is Hotmail in the habit of ignoring MX records?
daemon@ATHENA.MIT.EDU (Tony Finch)
Fri Jul 27 19:18:18 2012
From: Tony Finch <dot@dotat.at>
In-Reply-To: <CAArzuosW4uDsEoP6y087yrdiR32AyqE_2H-DAf-GycbB_6CfrQ@mail.gmail.com>
Date: Sat, 28 Jul 2012 00:16:48 +0100
To: Suresh Ramasubramanian <ops.lists@gmail.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
That would be a seriously broken violation of the SMTP specification.
Tony.
--
f.anthony.n.finch <dot@dotat.at> http://dotat.at/
On 26 Jul 2012, at 08:21, Suresh Ramasubramanian <ops.lists@gmail.com> wrote:
> If the MX records are not responsive / timing out, they might be falling
> back to the A record.
>
> On Thu, Jul 26, 2012 at 12:44 PM, Lou Katz <lou@metron.com> wrote:
>
>> One of my users has reported incoming mail failures, which I finally
>> tracked down. It turned out that Hotmail has seen fit to send the mail
>> to his domain's A record machine, despite the fact that he has valid MX
>> records.
>>
>> The A record points to my webserver, which does not normally accept mail
>> for anyone. The mail server MX records are to an entirely different
>> machine.
>>
>
>
>
> --
> Suresh Ramasubramanian (ops.lists@gmail.com)
