> On May 18, 2018, at 10:06 AM, Vladimir Dubrovin via dmarc-discuss 
> <dmarc-discuss@dmarc.org> wrote:
> 
> 
> Hello,
> 
> most probably, the message received by Yahoo is NDR or DSN message generated 
> by your host. In this case, envelope-from address is empty and SPF is checked 
> against HELO
> 
>       <spf>   
>         <domain>mail.mydomain.tld</domain>    
>         <result>none</result> 
>       </spf>  
> 
> From: probably has something like
> 
> From: mailer-dae...@dumbledore.mydomin.tld 
> <mailto:mailer-dae...@dumbledore.mydomin.tld>.
> 
> RFC 7208 requires you to place SPF record for domain used in HELO exectly for 
> this case. Adding
> 
> mail.mydomain.tld. TXT "v=spf1 a -all"
> 
> will fix the issue. 
> 
> 18.05.2018 16:39, Gerben Wierda via dmarc-discuss пишет:
>> I’m setting up DMARC for my mail server. I tried sending a mail to an 
>> account on the icloud.com <http://icloud.com/> domain (which reports DMARC) 
>> and there I see:
>> 
>> Received-Spf: pass (mr21p00im-spfmilter004.me.com 
>> <http://mr21p00im-spfmilter004.me.com/>: domain of myn...@mydomain.tld 
>> <mailto:myn...@mydomain.tld> designates XXX.XXX.XXX.XXX as permitted sender) 
>> receiver=mr21p00im-spfmilter004.me.com 
>> <http://mr21p00im-spfmilter004.me.com/>; client-ip=XXX.XXX.XXX.XXX; 
>> helo=mail.mydomain.tld; envelope-from=myn...@mydomain.tld 
>> <mailto:envelope-from=myn...@mydomain.tld>
>> X-Dmarc-Info: pass=pass; dmarc-policy=none; s=r1; d=r0
>> X-Dmarc-Policy: 
>> v=DMARC1;p=none;sp=quarantine;pct=100;rua=mailto:dm...@mydomain.tld 
>> <mailto:dm...@mydomain.tld>,mailto:re+vghcolsq...@dmarc.postmarkapp.com 
>> <mailto:re+vghcolsq...@dmarc.postmarkapp.com>
>> Received: from mr11p00im-smtpin012.mac.com 
>> <http://mr11p00im-smtpin012.mac.com/> ([17.110.69.200]) by ms20524.mac.com 
>> <http://ms20524.mac.com/> (Oracle Communications Messaging Server 
>> 8.0.1.3.20170906 64bit (built Sep  6 2017)) with ESMTP id 
>> <0p8x00kcde2dm...@ms20524.mac.com <mailto:0p8x00kcde2dm...@ms20524.mac.com>> 
>> for myn...@icloud.com <mailto:myn...@icloud.com>; Fri, 18 May 2018 13:13:25 
>> +0000 (GMT)
>> Received: from mail.mydomain.tld (mail.mydomain.tld [XXX.XXX.XXX.XXX]) by 
>> mr11p00im-smtpin012.me.com <http://mr11p00im-smtpin012.me.com/> (Oracle 
>> Communications Messaging Server 8.0.1.2.20170607 64bit (built Jun  7 2017)) 
>> with ESMTPS id <0p8x00h3ve2al...@mr11p00im-smtpin012.me.com 
>> <mailto:0p8x00h3ve2al...@mr11p00im-smtpin012.me.com>> for myn...@icloud.com 
>> <mailto:myn...@icloud.com> (ORCPT myn...@icloud.com 
>> <mailto:myn...@icloud.com>); Fri, 18 May 2018 13:13:24 +0000 (GMT)
>> Received: from localhost (localhost [127.0.0.1])     by mail.mydomain.tld 
>> (Postfix) with ESMTP id 57F0B261CB53       for <myn...@icloud.com 
>> <mailto:myn...@icloud.com>>; Fri, 18 May 2018 15:13:21 +0200 (CEST)
>> Received: from mail.mydomain.tld ([127.0.0.1]) by localhost 
>> (dumbledore.mydomain.tld [127.0.0.1]) (amavisd-new, port 10024) with ESMTP 
>> id b6L6g5ttGPiH for <myn...@icloud.com <mailto:myn...@icloud.com>>;   Fri, 
>> 18 May 2018 15:13:19 +0200 (CEST)
>> Received: from [192.168.169.103] (d4b27fea.static.ziggozakelijk.nl 
>> <http://d4b27fea.static.ziggozakelijk.nl/> [212.178.127.234])     by 
>> mail.mydomain.tld (Postfix) with ESMTPSA id 057A3261CB45     for 
>> <myn...@icloud.com <mailto:myn...@icloud.com>>; Fri, 18 May 2018 15:13:18 
>> +0200 (CEST)
>> 
>> But I also got an aggregate report from Yahoo that suggests something is 
>> wrong:
>> 
>> <?xml version="1.0"?>        
>> <feedback>   
>>   <report_metadata>  
>>     <org_name>Yahoo! Inc.</org_name> 
>>     <email>postmas...@dmarc.yahoo.com 
>> <mailto:postmas...@dmarc.yahoo.com></email>    
>>     <report_id>1526605741.475970</report_id> 
>>     <date_range>     
>>       <begin>1526515200</begin>      
>>       <end>1526601599 </end> 
>>     </date_range>    
>>   </report_metadata> 
>>   <policy_published> 
>>     <domain>mydomain.tld</domain>    
>>     <adkim>r</adkim> 
>>     <aspf>r</aspf>   
>>     <p>none</p>      
>>     <pct>100</pct>   
>>   </policy_published>        
>>   <record>   
>>     <row>    
>>       <source_ip>XXX.XXX.XXX.XXX</source_ip> 
>>       <count>1</count>       
>>       <policy_evaluated>     
>>         <disposition>quarantine</disposition>        
>>         <dkim>fail</dkim>    
>>         <spf>fail</spf>      
>>       </policy_evaluated>    
>>     </row>   
>>     <identifiers>    
>>       <header_from>dumbledore.mydomain.tld</header_from>     
>>     </identifiers>   
>>     <auth_results>   
>>       <dkim> 
>>         <domain></domain>    
>>         <result>neutral</result>     
>>       </dkim>        
>>       <spf>  
>>         <domain>mail.mydomain.tld</domain>   
>>         <result>none</result>        
>>       </spf> 
>>     </auth_results>  
>>   </record>  
>> </feedback>  
>> 
>> This seems to suggest that Yahoo received an email from my MTA at IP address 
>> XXX.XXX.XXX.XXX (which is the correct IP of mail.mydomain.tld) but the 
>> header was dumbledore.mydomain.tld. Is that correct? That is weird, because 
>> my mail server is set to use 'helo mail.mydomain.tld'. So, apparently, it 
>> seems some program on my server is trying to send mail to a yahoo MTA 
>> bypassing my mail server, correct? If so, it is an unexpected catch. But I 
>> need to know if it is correct.
>> 
>> Thanks in advance
>> 
>> Gerben
>> 
>> 
>> _______________________________________________
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>> <http://www.dmarc.org/mailman/listinfo/dmarc-discuss>
>> 
>> NOTE: Participating in this list means you agree to the DMARC Note Well 
>> terms (http://www.dmarc.org/note_well.html 
>> <http://www.dmarc.org/note_well.html>)
> 
> -- 
> Vladimir Dubrovin
> @Mail.Ru
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> 
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> (http://www.dmarc.org/note_well.html)

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