Hi,
We have Postfix 2.6.6 on Redhat. I installed open-spf , open-dmarc , and
dkim. I think everything is fine, but we have e-mail spoofing :(
how can i correct this ?
thanks in advance
Received-SPF: pass (spf2.spf.guru: Sender is authorized to use
'bounces+3150432-2a15-user=dom...@spf2.spf.guru' in 'mfrom' identity
(mechanism 'include:sendgrid.net' matched)) receiver=domain;
identity=mailfrom;
envelope-from="bounces+3150432-2a15-user=dom...@spf2.spf.guru";
helo=o1.7nf.fshared.sendgrid.net; client-ip=167.89.55.67
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.domain 261CB7BB9CD
Received: from o1.7nf.fshared.sendgrid.net
(o1.7nf.fshared.sendgrid.net [167.89.55.67])
(using TLSv1.2 with cipher DHE-RSA-AES128-GCM-SHA256 (128/128 bits))
(No client certificate requested)
by domain (Postfix) with ESMTPS id 261CB7BB9CD
for <user@domain>; Wed, 27 Dec 2017 16:16:31 +0300 (+03)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=spf.guru;
h=subject:from:to:mime-version:content-type; s=s1;
bh=G4EhwYTkXUk041GBBhrYcd5Q5Vw=; b=Lq29h//IIcNVD8yK8GtjU6Cg2U9Tf
DE8dC6/iuLLnFZdOmaqTYWsiVk1Z+k+EVAlz1CVXVashDtbDtiBHsNWJRnoKAgTd
ETeeoHGxlbisFwGbinLbKFXrTow1CRPkBujdIWgTgL2d2ok5MRzfo0UdAuMO1xlM
z8AIf6VCo8EnOs=
Received: by filter0025p3mdw1.sendgrid.net with SMTP id
filter0025p3mdw1-23352-5A439D2C-6
2017-12-27 13:16:28.133251847 +0000 UTC
Received: from spf.guru (192.239.195.35.bc.googleusercontent.com
[35.195.239.192])
by ismtpd0006p1lon1.sendgrid.net (SG) with ESMTP id
Zh96E147TxWVqAnTFGlWbA
for <user@domain>; Wed, 27 Dec 2017 13:16:27.975 +0000 (UTC)
Message-ID: <abe484310927f41aa49b84a2eb41f...@spf.guru>
Date: Wed, 27 Dec 2017 13:16:28 +0000 (UTC)
Subject: my emails
From: *po...@whatsapp.com <po...@whatsapp.com>*
