Is Hotmail in the habit of ignoring MX records?

Tony Finch dot at dotat.at
Fri Jul 27 23:16:48 UTC 2012


That would be a seriously broken violation of the SMTP specification.

Tony.
--
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/

On 26 Jul 2012, at 08:21, Suresh Ramasubramanian <ops.lists at 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 at 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 at gmail.com)




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