Hello,
last days I wrote to a address <[email protected]>
The answer was quarantained as the dmarc check failed.
This ist the reply I receved:
Authentication-Results: mail.example.org; dmarc=fail
header.from=googlemail.com
Authentication-Results: mail.example.org;
dkim=pass (2048-bit key; unprotected) header.d=gmail.com
[email protected] header.b=gG3f0joi
Authentication-Results: mail.example.org; spf=pass
smtp.mailfrom=<[email protected]>
smtp.helo=mail-wi0-x234.google.com
...
Received: from [...] (users.submission.client. [public.ip])
by smtp.googlemail.com with ESMTPSA id
e8sm15252097wiz.0.2015.08.16.23.40.46
for <$me>
(version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
Sun, 16 Aug 2015 23:40:46 -0700 (PDT)
Sender: User <[email protected]>
From: User <[email protected]>
X-Google-Original-From: User <[email protected]>
Message-ID: <[email protected]>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101
Icedove/31.7.0
To: ... $me
...
So Sender and X-Google-Original-From are "@gmail.com", but From is
"@googlemail.com"
No idea if the user did something wrong or only hit a common pitfall.
Looks like this user may mix two similar addresses with different
domainparts while using them as RFC5322.From or SMTP-Auth Username.
Maybe the google people could clarify?
Thanks,
Andreas
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