Re: [Ietf-dkim] DKIM-Signature: r=y and MLM

Hector Santos <hsantos@isdg.net> Thu, 25 October 2018 01:34 UTC

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Date: Wed, 24 Oct 2018 21:34:37 -0400
From: Hector Santos <hsantos@isdg.net>
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Organization: Santronics Software, Inc.
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Subject: Re: [Ietf-dkim] DKIM-Signature: r=y and MLM
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On 10/24/2018 4:53 PM, Дилян Палаузов wrote:
> PS:
>
> Please describe the handling, of the above message by the MLM, if the
> original message contained in addition
>    DKIM-Signature: v=1; d=isdg.net; r=y; …
>
> ... or something different than r=y, that permits finding faulty DKIM
> implementations.

Our DKIM implementation does not support this "r=y" tag.  In general, 
per DKIM specification, all unknown DKIM-signature tags are ignored.

> <<< 554 REJECTED BY SYSTEM POLICY FILTER
> Last-Attempt-Date: Wed, 24 Oct 2018 20:32:15 GMT

Off hand, it appears your IP address was filtered by a Geo IP Location 
database.  This is done immediately at the connection level so we have 
limited SMTP session logs to look at.

I'm contacting you off list.

-- 
HLS