Steve Atkins wrote:
>> I'd think it'd be approximately the same as if the private
>> signing key (the only other mandatory input I can think of at the
>> moment) wasn't present.
>
> If it fails, it's broken, I think. There's nothing special about the
>>From field, other than it having to be one of the signed headers.
The spec says
5.4. Determine the Header Fields to Sign
The From header field MUST be signed (that is, included in the "h="
tag of the resulting DKIM-Signature header field).
That means to me it MUST exist to be signed.
--
Hector Santos, CTO
http://www.santronics.com
http://santronics.blogspot.com
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