multiple mail servers for one domain

Daniel C. dcrookston at gmail.com
Thu May 14 15:42:47 MDT 2009


On Thu, May 14, 2009 at 3:33 PM, William Attwood <wattwood at gmail.com> wrote:
> What will happen is the lower the number, the higher the priority; if mail.
> isn't responding, it will try mail2, if that doesn't respond, it'll try
> mail3 - if in the end none respond, it will wait a certain amount of time
> and try again; eventually, if none work, it will bounce it back to you
> undeliverable.

That much I'm familiar with, yeah.

> To get around the possibility of random e-mail delivery, I actually went
> this route:
>
> This is from my bind zone file:
> IN MX 1 aspmx.l.google.com.
> IN MX 5 alt1.aspmx.l.google.com.
> IN MX 5 alt2.aspmx.l.google.com.
> automail.domain.com. IN MX 1 automail.domain.com.
> automail.commissionriver.com. IN A XXX.XXX.XXX.XXX

What part of the last MX record prevents it from receiving random mail?

Dan



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