Jesse Thompson wrote:
> I notice that all signatures from Yahoo and Facebook are failing, and
> mostly succeeding for other domains, including Gmail and Paypal. Not
> that I care that much about validating email from Yahoo, but I wanted
> to know if the problem was on my end, or their end. Surely Yahoo is
> correctly signing their mail!?

We're seeing valid signatures from Yahoo! and Facebook (actually
facebookmail.com).
>
> So, I did some testing with the auto-responders listed in the
> "Interoperability Testing" section of http://dkimproxy.sourceforge.net/
>
> It appears that Yahoo's signatures fail for some of the
> autoresponders, and succeed for others. Also, it appears the
> subsequent tests to the same auto-responder yields inverse results.

What do you mean by "inverse results"? It sounds like the test isn't
repeatable to the same autoresponder, and in fact the initial successes
are now failures, and vice versa?

-Jim