[rt2x00-users] anything changed in mail list setup?
alex at milivojevic.org
Tue Jul 12 10:08:48 EST 2011
On Sat, Jul 9, 2011 at 3:33 AM, Ivo Van Doorn <ivdoorn at gmail.com> wrote:
> On Fri, Jul 8, 2011 at 9:53 PM, Aleksandar Milivojevic
> <alex at milivojevic.org> wrote:
>> I've noticed that gmail started putting this warning on all emails on
>> this mailing list:
>> """This message may not have been sent by: original at sender.com Learn
>> more Report phishing"""
>> Has anything changed in mail list setup that might have triggered
>> gmail's phishing detection?
> We didn't change anything. But google did introduce a new phishing detection,
> so I guess the new system is causing this.
Looking a bit around (the "learn more" link next to warning and
headers of emails), it seems gmail might be checking if messages
claiming to be sent from gmail accounts are indeed sent from there.
Looking at headers, the mailing list seems to be preserving original
hash for message body (DKIM-Signature) and then adds its own footer to
each email, which breaks the hash.
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