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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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Message-ID: <5BD11DAD.1010606@isdg.net>
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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To: Дилян Палаузов <dilyan.palauzov@aegee.org>, ietf-dkim@ietf.org
References: <20180811033840.Horde.i6llD-AtvgzyNIjbhTs-nkS@webmail.aegee.org> <98aff90a-2198-854f-f1e6-85fd704cb7d1@tana.it> <20180817214834.Horde.DNYi60aPTo_sOKr7o3ilPra@webmail.aegee.org> <2c60b8bf-fec7-3a72-4bcc-3f2416e6f8b1@tana.it> <20180820193206.Horde.U24zQJh_TH-uC-4hxrcs2fw@webmail.aegee.org> <6e31890d3b63091a1d731fd70c2bfc217dc4f45b.camel@aegee.org> <5BC4A48C.3080302@isdg.net> <f5e6298e395aa89a20e57d077e0232f0136ad7a1.camel@aegee.org>
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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

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