Chad Leigh -- Shire.Net LLC wrote:
> On Dec 28, 2006, at 9:46 AM, Richard Clayton wrote:
>
>
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>>
>> In message <4593E849.5020300@???>, Marc Perkel
>> <marc@???>
>> writes
>>
>>
>>> All normal
>>> servers should attempt the lowest MX first.
>>>
>> sadly, it's not a function of the normality of the client (you don't
>> mean server when they are sending you email) but of the network :(
>>
>> http://www.exim.org/mail-archives/exim-users/Week-of-Mon-
>> 20060320/msg00150.html
>>
>>
>
> This is not a defense of Mr Perkel's suggestion or against it. Just
> that I think the comment in the above archive does not apply to Mr
> Perkel's idea, at least as far as I have understood it, BECAUSE the
> false secondary is actually on the same host or at least the same
> local net, so has the same connectivity as the main. At least that
> is the idea I had from Mr Perkel's descriptions previously. So
> differences in network connectivity should not exist between the
> primary and secondary MX. If the secondary MX is actually on a
> different network somewhere else, then the comments in the archive
> make sense.
>
> Chad
>
>
That's correct Chad. The lowest MX might likely be another IP on the
same computer in fact.
The idea is to pass only emails that try the lowest MX first as it
should and then deliver to the second lowest MX. I don't think zombies
can (yet) do that.
