On 3/29/13 10:18 AM, "Steve Atkins" <[email protected]> wrote:

>
>On Mar 29, 2013, at 10:01 AM, Franck Martin <[email protected]> wrote:
>
>> I'd like to point to two DMARC records:
>> http://www.dmarcian.com/dmarc-inspector/google.com
>> http://www.dmarcian.com/dmarc-inspector/linkedin.com
>> 
>> These are domains with humans behind the domain. So it can be done, it
>>is
>> not too hard, but it is not mainstream (yet)(the spec is only one year
>> old!) and as Mike points out, do it only if you have a phishing problem.
>
>How does that work for, for example, the mail I'm replying to?
>
>It was DKIM signed with d=linkedin.com, but the body hash has changed
>since it was signed, so it presumably fails DKIM. I'm guessing
>blackops.org
>isn't in linkedins SPF record.
>
>I'm not checking DMARC, but wouldn't this mail be rejected according to
>your DMARC policy if I were? (I'd presume not, or you wouldn't have set
>things up this way, but what am I missing?)
>

http://www.dmarc.org/faq.html#r_2
http://www.dmarc.org/faq.html#s_3
https://code.launchpad.net/~mlm-author/mailman/2.1-author

Don't forget as a receiver you can always overwrite the DMARC disposition
for stuff you strongly care about.




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