On Thu, Apr 2, 2015 at 6:25 PM, John R Levine <[email protected]> wrote:

> So receipt of a message signed in the new form will likely produce an
>> incorrect signature validation, ...
>>
>
> I wondered about that, too, so before I proposed a version bump, I took a
> look at the code that people use:
>
> * Murray's opendkim C library: checks that the version is 0.5 or 1, fails
> otherwise.  That's the code in the milters that sendmail and postfix use,
> and I believe it's the library that everyone else with custom C code
> (including me) uses or adapts.  It replaces the older libdkim.
>

It won't accept 0.5 unless configured to do so, and that's off by default.

-MSK
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