Autor: Bill Cole Data: A: Wayne via Exim-users Assumpte: Re: [exim] DKIM: validation error: LONG_LINE
On 21 Apr 2021, at 17:39, Wayne via Exim-users wrote:
> Then I assume the body is being signed implicitly no matter what
> headers
> are selected?
Yes. A DKIM signature technically signs a selected set of headers and of
a hash of the body, both in a canonicalized form. Without the body hash,
it would be trivial to forge a signature by replicating the headers and
signature of any signed message.
--
Bill Cole
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(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
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