Yahoo DMARC breakage

Jim Popovitch jimpop at gmail.com
Thu Apr 10 00:16:21 UTC 2014


On Wed, Apr 9, 2014 at 8:02 PM, Jeff Kell <jeff-kell at utc.edu> wrote:
>> Date: Wed, 9 Apr 2014 18:22:51 -0500
>> From: Larry Sheldon <LarrySheldon at cox.net>
>> Organization: Maybe tomorrow
>> User-Agent: Mozilla/5.0 (Windows NT 5.1;
>>  rv:24.0) Gecko/20100101 Thunderbird/24.4.0
>> To: <nanog at nanog.org>
>> Subject: Re: Yahoo DMARC breakage

It's also worth mentioning that if someone else's previous advice
is/was followed (about changing the MLM From: to a generic list
address) there would be no way to killfile someone, filter by name,
NOR any sense to long threaded discussions where MUAs do quoting and
others copy+paste.   In Mailinglists, rfc5322.From: is sacred  (and
according to RFC 5322 so are Sender and Reply-To, which DMARC
conveniently disregard)

-Jim P.




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