That would be a seriously broken violation of the SMTP specification. Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/
On 26 Jul 2012, at 08:21, Suresh Ramasubramanian <ops.li...@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 <l...@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.li...@gmail.com)