scott at kitterman
Oct 11, 2006, 5:32 PM
Post #5 of 5
(1428 views)
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Re: Re: mailing list SPF config help please
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On Wednesday 11 October 2006 18:03, Frank Ellermann wrote:
> Scott Kitterman wrote:
> > For the MX I was counting one for the MX lookup and one for the
> > following A lookup. Now that I think about it, that may have
> > been in error.
>
> What "following A" ? Let's take "mx:mail.netforum.com.br [3,4]"
> as example, that's one q=mx (ugh, I get no answer, anyway, it's
> one query). Did you automatically try a q=a after q=mx failed ?
>
> IIRC that's addressed in the spec., no automatical fallback to A
> if MX fails.
No, not that one. I was thinking of the lookup to find the IP address of the
domain that is the MX. That doesn't count as it's part of the no more than
10 MX count.
> > In any case, he had to many
>
> ACK, but fixing 13 to stay within the limits will be easier than
> fixing 18 for this user... :-)
>
> > we can debate the nitnoid details here if necessary.
>
> It might need a test case triggering your "second query", with an
> outcome of "don't do this".
>
There ought to be tests to see that counting for processing limits is getting
done correctly.
Scott K
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