Re: [dmarc-ietf] Endless Loops with DKIM reports

Dave Crocker <dhc@dcrocker.net> Tue, 04 June 2019 12:12 UTC

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To: Vladimir Dubrovin <dubrovin@corp.mail.ru>, Дилян Палаузов <dilyan.palauzov@aegee.org>
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From: Dave Crocker <dhc@dcrocker.net>
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Date: Tue, 04 Jun 2019 14:08:35 +0200
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Subject: Re: [dmarc-ietf] Endless Loops with DKIM reports
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On 6/4/2019 1:48 PM, Vladimir Dubrovin wrote:
> Reports are not sent to Return-Path address, empty return path does not
> prevents report from being sent. Actually, report with empty

My comment was meant about the DMARC report being sent without a return 
(envelope from) address, the same as is already true for other email 
infrastructure control messages.


> envelope-from has higher chances to generate a reverse report, because

I don't understand how it is possible to send a report when there is no 
address to send it to.


> in this case SPF is checked against HELO and, in practice, many seders
> do not have SPF configured for HELO name and SPF failure can trigger a
> report.

I don't understand how the HELO domain name is relevant to this 
discussion, since it isn't a full email address.

d/



-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net