Nette mailer – správy chodia do spamu pre gmail

Zdravím,
nevedel by mi niekto zistiť prečo poštu z nette maileru mi gmail hádže do spomau ? Keď si dám zobraziť orignal na gmaile tak zobrazí toto

Delivered-To: email@gmail.com
Received: by 10.112.221.197 with SMTP id qg5csp1450037lbc;
        Tue, 13 Jan 2015 05:26:56 -0800 (PST)
X-Received: by 10.194.6.70 with SMTP id y6mr4885084wjy.97.1421155616352;
        Tue, 13 Jan 2015 05:26:56 -0800 (PST)
Return-Path: <smtp@email.sk>
Received: from mail.email.sk([2001:41d0:a:2d1e::])
        by mx.google.com with ESMTPS id fp7si20028140wic.107.2015.01.13.05.26.55
        for <email@gmail.com>
        (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
        Tue, 13 Jan 2015 05:26:56 -0800 (PST)
Received-SPF: none (google.com: smtp@email.sk does not designate permitted sender hosts) client-ip=2001:41d0:a:2d1e::;
Authentication-Results: mx.google.com;
       spf=none (google.com: smtp@email.sk does not designate permitted sender hosts) smtp.mail=smtp@email.sk
Received: from localhost (localhost.localdomain [127.0.0.1])
	by mail.email.sk (Postfix) with ESMTP id 8ED761200074
	for <email@gmail.com>; Tue, 13 Jan 2015 14:26:55 +0100 (CET)
X-Virus-Scanned: Debian amavisd-new at ns3365733.ip-37-187-77.eu
Received: from mail.email.sk([127.0.0.1])
	by localhost (ns3365733.ip-37-187-77.eu [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id 15LCOFcG-f5S for <email@gmail.com>;
	Tue, 13 Jan 2015 14:26:54 +0100 (CET)
Received: by mail.email.sk (Postfix, from userid 5004)
	id 3EF73120007E; Tue, 13 Jan 2015 14:26:54 +0100 (CET)
To: email@gmail.com
Subject: =?UTF-8?Q?Registr=C3=A1cia=20na=email.sk?=
X-PHP-Originating-Script: 5004:SendmailMailer.php
MIME-Version: 1.0
X-Mailer: Nette Framework
Date: Tue, 13 Jan 2015 14:26:54 +0100
From: email.sk<info@email.sk>
Message-ID: <bfb427e0dd929ba2dcece30e8c6153ae@www.email.sk>
Content-Type: multipart/alternative;
	boundary="--------88009ae76e43184279b9737d4afd1664"

----------88009ae76e43184279b9737d4afd1664
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

obsah spravy...

dá sa niečo z toho zistiť prečo to ide do spamu ? Ak sa do toho niekto vyzná :) ďakujem

PS. emaily a domena sú prepísané nemusia tu byť presne emaily