[Mailman-Users] Gmail and DMARC
Jim Popovitch
jimpop at gmail.com
Fri Apr 25 17:54:49 CEST 2014
On Thu, Apr 24, 2014 at 4:08 PM, Jim Popovitch <jimpop at gmail.com> wrote:
> On Thu, Apr 24, 2014 at 3:43 PM, Mark Sapiro <mark at msapiro.net> wrote:
>> On 04/24/2014 12:35 PM, Lindsay Haisley wrote:
>>> I don't know if this was the case before, but Gmail is publishing a
>>> DMARC record with p=none. I seem to recall that last week the weren't
>>> publishing a DMARC record at all, although I might be mistaken.
>>
>>
>> These results are from over a week ago. They are in a draft of a report
>> of research and testing I was doing that was last updated on April 15.
>>
>> _dmarc.gmail.com.: v=DMARC1\; p=none\;
>> rua=mailto:mailauth-reports at google.com
>> _dmarc.googlegroups.com: v=DMARC1\; p=none\;
>> rua=mailto:mailauth-reports at google.com
>> _dmarc.google.com: v=DMARC1\; p=quarantine\;
>> rua=mailto:mailauth-reports at google.com
>>
>
> GMail's had a p=none for a while now... months.
>
> GMail also had an odd hiccup today. I received a ton of bounces because:
>
> Apr 24 18:20:59 svr6 postfix/smtp[26753]: 2838F36B12: to=
> <xxxxxx at gmail.com>, relay=gmail-smtp-in.l.google.com
> [74.125.201.109]:25, delay=0.69,
> delays=0.26/0/0.38/0.05, dsn=5.5.1, status=bounced (host
> gmail-smtp-in.l.google.com[74.125.201.109] said: 530-5.5.1
> Authentication Required. Learn more at 530 5.5.1
> http://support.google.com/mail/bin/answer.py?answer=14257
> b6sm884241igm.2 - gsmtp (in reply to MAIL FROM command))
>
> So for some period of time, they wanted Mailman to auth as who? :-)
OK, that wasn't an odd hiccup, that was/is intentional action by
google. Gmail now seems to be bouncing email where From: is another
gmail account.
Check your bounce logs.....
-Jim P.
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