[Mimedefang] DKIM body hash won't verify.
Matthew Schumacher
matt.s at aptalaska.net
Sat Feb 23 14:26:27 EST 2019
On 2/22/19 10:48 AM, Dianne Skoll wrote:
> Hi,
>
>> I just put DKIM on my mail system, but gmail rejects with "body hash did not
>> verify", so something is wrong with how I'm hashing. Does this code look
>> reasonable?
> [snip]
>
> The code looks fine. Do services other than Gmail report a valid DKIM
> signature? I've observed occasional DKIM verification failures by
> Gmail that I've yet to be able to explain, when all other verifiers
> work correctly.
>
> Regards,
>
> Dianne.
Thanks for the feedback Dianne, it turns out that single part mime
messages were being reduced to simple mime causing different headers to
be signed. When I changed the code to sign the message in INPUTMSG
instead of the entity that is passed filter_wrapup, everything started
working fine.
Thanks again.
schu
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