mx selection order

[David Sparro]

On 2/22/2011 7:29 AM, Terry. wrote:
> Hello,
>
> Given I have these MX records:
>
> example.com.        3600    IN      MX      10  m1.example.com.
> example.com.        3600    IN      MX      10  m2.example.com.
> example.com.        3600    IN      MX      20  m3.example.com.
>
>
> My question is, when m1.example.com is failed to communicate with, the
> remote MTA will continue to talk to m2 or m3?
>

That is a question you would have to ask of the remote MTA.  DNS will 
just serve the data, it is up to the application how it will use the data.


-- 
Dave