Re: [dmarc-ietf] Discussion: Removal of validation for external destinations (Ticket #76)
Alessandro Vesely <vesely@tana.it> Mon, 01 February 2021 17:50 UTC
Return-Path: <vesely@tana.it>
X-Original-To: dmarc@ietfa.amsl.com
Delivered-To: dmarc@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1F55D3A135C for <dmarc@ietfa.amsl.com>; Mon, 1 Feb 2021 09:50:40 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.121
X-Spam-Level:
X-Spam-Status: No, score=-2.121 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1152-bit key) header.d=tana.it
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oHF0cXJUZlhS for <dmarc@ietfa.amsl.com>; Mon, 1 Feb 2021 09:50:38 -0800 (PST)
Received: from wmail.tana.it (wmail.tana.it [62.94.243.226]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 571B53A1358 for <dmarc@ietf.org>; Mon, 1 Feb 2021 09:50:37 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tana.it; s=delta; t=1612201835; bh=KLUrBm+QZPcgdAPGZMlnkGSxOa9OHGhykBhLRxT/pUc=; l=846; h=To:References:From:Date:In-Reply-To; b=B8rsqUTgpNm3M1MqWVHXTYX8xa5zEDaIkJYt6zzYTuwUT2o/QBKRtDIRWOJbn3Lh0 ArqgR/AxoE9gowBfWarsDpeoYhnswspvEUC0RqBDacw9j10rhsb15aM+b0BsrXILIf BepXwcGWnTbhPFKtc1QNLs6Ks0bBcV7w7uZQ7ANwOxFdaces3UnItbDSpGlOn
Authentication-Results: tana.it; auth=pass (details omitted)
Original-From: Alessandro Vesely <vesely@tana.it>
Received: from [172.25.197.111] (pcale.tana [172.25.197.111]) (AUTH: CRAM-MD5 uXDGrn@SYT0/k, TLS: TLS1.3, 128bits, ECDHE_RSA_AES_128_GCM_SHA256) by wmail.tana.it with ESMTPSA id 00000000005DC0C6.0000000060183F6A.00004213; Mon, 01 Feb 2021 18:50:34 +0100
To: dmarc@ietf.org
References: <MN2PR11MB4351D62302C7357DE653F8B4F7F00@MN2PR11MB4351.namprd11.prod.outlook.com> <fc1d9d7c-4e14-78af-0416-b6cfb0873468@tana.it> <0359b009-5b18-46f8-85a5-959ad337dd49@beta.fastmail.com> <MN2PR11MB4351895D112A3C903F9A5271F7B69@MN2PR11MB4351.namprd11.prod.outlook.com>
From: Alessandro Vesely <vesely@tana.it>
Message-ID: <6530aef3-715b-a2c2-aed6-dc28f67f6107@tana.it>
Date: Mon, 01 Feb 2021 18:50:33 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0
MIME-Version: 1.0
In-Reply-To: <MN2PR11MB4351895D112A3C903F9A5271F7B69@MN2PR11MB4351.namprd11.prod.outlook.com>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/dmarc/mdtbS1YHvN0HmT9e-qD3lpJuFJ8>
Subject: Re: [dmarc-ietf] Discussion: Removal of validation for external destinations (Ticket #76)
X-BeenThere: dmarc@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Domain-based Message Authentication, Reporting, and Compliance \(DMARC\)" <dmarc.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dmarc>, <mailto:dmarc-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dmarc/>
List-Post: <mailto:dmarc@ietf.org>
List-Help: <mailto:dmarc-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dmarc>, <mailto:dmarc-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 01 Feb 2021 17:50:40 -0000
On Mon 01/Feb/2021 16:11:51 +0100 Brotman, Alex wrote: > This came up in another thread elsewhere, and wanted to see if there was any > more input before closing this as “wontfix”. The only feedback I got during > this thread was that this external check should remain as it may prevent abuse > and it appears that many have already implemented this. Yes, please close it. For the record, two implementations are here: https://github.com/trusteddomainproject/OpenDMARC/blob/master/libopendmarc/opendmarc_policy.c#L574 http://www.tana.it/svn/zdkimfilter/trunk/src/zaggregate.c#line=725 (if your browser doesn't implement RFC 5147, search "check_addr") > The original thread is here: > https://mailarchive.ietf.org/arch/msg/dmarc/pL7dsXjXn9BmADxly0yO2cDC_ro/ That's the same thread we're in now. Best Ale --
- [dmarc-ietf] Discussion: Removal of validation fo… Brotman, Alex
- Re: [dmarc-ietf] Discussion: Removal of validatio… John Levine
- Re: [dmarc-ietf] Discussion: Removal of validatio… Alessandro Vesely
- Re: [dmarc-ietf] Discussion: Removal of validatio… Marc Bradshaw
- Re: [dmarc-ietf] Discussion: Removal of validatio… Brotman, Alex
- Re: [dmarc-ietf] Discussion: Removal of validatio… Alessandro Vesely