[talk] This is a test (not just a test)

[Mark Saad]

Craig

On 4/9/14, 9:28 PM, Craig MacGregor wrote:
> It should only be an issue for @yahoo.com <http://yahoo.com> addresses
> (not @ymail.com <http://ymail.com>), when received by a mail service
> that also honors DMARC (notably, gmail. probably aol and yahoo itself,
> too).  Mailman doesn't seem to strip out the yahoo DKIM headers; does
> anybody want to try sending to the list with an @yahoo.com
> <http://yahoo.com> address? My guess is that gmail users won't see it.
> 
> It is interesting to note that they have only enabled DMARC "reject" on
> the primary yahoo.com <http://yahoo.com>, not ymail.com <http://ymail.com>:
> 
> $ dig txt _dmarc.yahoo.com <http://dmarc.yahoo.com>
> #...
> ;; ANSWER SECTION:
> _dmarc.yahoo.com <http://dmarc.yahoo.com>.       1398    IN      TXT    
> "v=DMARC1\; p=reject\; sp=none\; pct=100\;
> rua=mailto:dmarc-yahoo-rua at yahoo-inc.com
> <mailto:dmarc-yahoo-rua at yahoo-inc.com>, mailto:dmarc_y_rua at yahoo.com
> <mailto:dmarc_y_rua at yahoo.com>\;"
> 
> $ dig txt _dmarc.ymail.com <http://dmarc.ymail.com>
> 
> #...
> ;; ANSWER SECTION:
> _dmarc.ymail.com <http://dmarc.ymail.com>.       6448    IN      TXT    
> "v=DMARC1\; p=none\; pct=100\; rua=mailto:dmarc-yahoo-rua at yahoo-inc.com
> <mailto:dmarc-yahoo-rua at yahoo-inc.com>\;"
> 

Consistency at its best. I did not event think to verify that they did
this for ymail.com  Good catch.




> the "p=" is the important part: "reject" any messages that don't pass
> DKIM and SPF, vs "none", which is effectively test mode; the only action
> taken is that a daily delivery log is sent to the address in the record.
> 
> -craig
> 

Also why would they send the log to their internal corp email servers
for ymail.com ? Also if memory serves me right that is exchange . :)

> 
> On Wed, Apr 9, 2014 at 8:18 PM, Mark Saad <mark.saad at ymail.com
> <mailto:mark.saad at ymail.com>> wrote:
> 
> 
> 
>     On Apr 9, 2014, at 6:17 PM, Mark Saad <mark.saad at ymail.com
>     <mailto:mark.saad at ymail.com>> wrote:
> 
>>     All  
>>      I want to see I yahoo's new dmarc policy ears this email .
> 
>     I meant eats not ears .
> 
> 
>>     Sounds like it's time to get off yahoo .
>>
>>     ---
> 
> 
> 
>     So the email made it and no bounce . Has anyone else had issues ?
>     Please email me off list if you can not post . 
> 
> 
> 
>>     Mark
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> 
> 
>     Mark 
> 
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> 

-- 
Mark Saad | mark.saad at ymail.com