servidor postfix envía los correos al spam

[naitsabeseya]

buenas tardes como están instale un servidor postfix en centos 6 pero tengo el problema que los correos que envio al Gmail y Hotmail son mandados a la bandeja de no deseados o spam ya lo e intentado pero no logro solucionarlo gracias por su atención adjunto las cabeceras del correo que se envía

Código HTML:

Delivered-To: [email protected]
Received: by 10.182.97.100 with SMTP id dz4csp316175obb;
        Wed, 20 Aug 2014 09:47:18 -0700 (PDT)
X-Received: by 10.236.1.34 with SMTP id 22mr77221918yhc.45.1408553238052;
        Wed, 20 Aug 2014 09:47:18 -0700 (PDT)
Return-Path: <[email protected]>
Received: from itcompany.com.ec (mail.itcompany.com.ec. [186.4.223.87])
        by mx.google.com with ESMTPS id f43si26802058yhc.158.2014.08.20.09.47.17
        for <[email protected]>
        (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
        Wed, 20 Aug 2014 09:47:17 -0700 (PDT)
Received-SPF: pass (google.com: domain of [email protected] designates 186.4.223.87 as permitted sender) client-ip=186.4.223.87;
Authentication-Results: mx.google.com;
       spf=pass (google.com: domain of [email protected] designates 186.4.223.87 as permitted sender) [email protected];
       dkim=neutral (no key for signature) header.i=@
Received: from SEYAPC (unknown [186.46.64.174])
   (using TLSv1 with cipher AES128-SHA (128/128 bits))
   (Client did not present a certificate)
   by itcompany.com.ec (Postfix) with ESMTPSA id AA6681C11AA
   for <[email protected]>; Wed, 20 Aug 2014 11:42:38 -0500 (ECT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=itcompany.com.ec;
   s=default; t=1408552958;
   bh=sKzj4IHqIPM5D/PX86dg99GQgorNVU8JLkkhHKky5Cc=;
   h=From:To:Subject:Date;
   b=wsqcQzYQjaHlzT0zQj9bWj8OTrMGQyWROHGl+8CnZ0RVUc+w3Ba9B6vw7ipsogBvC
    dLUfbHmZHLHotW9pPDiXncggmzDkc1NVJ0kZ73aWDcXuQ8ohaqRFoaAhAt/1iJ7ULE
    a+8xNPAHujIvShgthtrV9FleD/xs1yugooUsW0+g=
From: "sebas" <[email protected]>
To: <[email protected]>
Subject: dasdas
Date: Wed, 20 Aug 2014 11:44:45 -0500
Message-ID: <[email protected]>
MIME-Version: 1.0
Content-Type: multipart/related;
   boundary="----=_NextPart_000_0015_01CFBC6C.23C756B0"
X-Mailer: Microsoft Outlook 14.0
Thread-Index: Ac+8lgtjT6ZfH3HcTm6+1RNA9jctkQ==
Content-Language: es-ec

[BrujoNic]

¿Crees que con repetir tu mensaje en 5 secciones diferentes vas a lograr respuesta?

Lee las políticas de los foros.