Re: [exim] DKIM: validation error: LONG_LINE

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Autor: Bill Cole
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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.

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Bill Cole
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