Is Hotmail in the habit of ignoring MX records?

Suresh Ramasubramanian ops.lists at
Thu Jul 26 07:21:49 UTC 2012

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> 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

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