The following message could not be forwarded to  piet@gmail.com for  piet@puk.com 

Technical details of the failure:
5.7.1 Unauthenticated email from kpn.com is not accepted due to domain's
            5.7.1 DMARC policy. Please contact the administrator of kpn.com domain if
            5.7.1 this was a legitimate mail. Please visit
            5.7.1 https://support.google.com/mail/answer/2451690 to learn about the
            5.7.1 DMARC initiative. s4si3591727otc.398 - gsmtp

----- Transcript of session follows -----

Return-Path:< noreply@kpn.com>
Received:from remote.puk.nl (mail.puk.nl [xxx.xxx.xxx.xxx]) by mx.zohomail.com
    with SMTPS id 1508328640389896.3173055621667; Wed, 18 Oct 2017 05:10:40 -0700 (PDT)
Message-ID:<59e744b f1a10c_27f43fc259ca27bc22022ea@pvlapps1048a.mail>
Date:Wed, 18 Oct 2017 14:10:39 +0200
From:KPN < noreply@kpn.com>
To:  piet@puk.nl
Subject:Hoe bevalt uw Apple iPhone 8 64GB, Space Gray? Vertel het anderen!
Content-Type:multipart/alternative;
boundary="--==_mimepart_59e744bf18d33_27f43fc259ca27bc2202174";
charset=UTF-8

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