RE: Signing problem

From: Steve Jenkins <>
Date: Tue, 26 Oct 2010 15:53:18 -0700

I concur with Todd. Decide first what you want your sending domain to be
(hostname.domain.tld or just domain.tld). Then once you've decided on that,
stick with it (i.e. set it up on your MTA and then don't touch it) and we
can totally help you get OpenDKIM working with whichever domain name naming
scheme you want. :)


-----Original Message-----
From: [] On Behalf Of Todd
Sent: Tuesday, October 26, 2010 3:51 PM
To: Jason Clint
Subject: Re: Signing problem

On Tue, Oct 26, 2010 at 3:39 PM, Jason Clint <> wrote:
> Message contains this DKIM Signature:
> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple;
>; s=mail; t=1288132621;

Note the domain is, so that means domainkey
stuff will be looked for under,
*NOT* You need to adjust your dns to
make this configuration work.

> Public Key DNS Lookup
> Building DNS Query for
> Retrieved this publickey from DNS:
> Validating Signature
> result = invalid
> Details: public key: not available

admin51 ~ # dig +short -t txt
admin51 ~ # dig +short -t txt
"v=DKIM1\; k=rsa\;

Your DNS requires adjustment.

Regards...      Todd
I seek the is only persistence in self-delusion and
ignorance that does harm.  -- Marcus Aurealius
Received on Tue Oct 26 2010 - 22:53:26 PST

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