Gracias por la pronta respuesta, el host es mi maquina, <a href="http://200.125.125.200" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)"><font color="red"><b>MailScanner warning: numerical links are often malicious:</b></font> 200.125.125.200</a> - <a href="http://rogerpc.com.ar">rogerpc.com.ar
</a><br>Busque en las blacklist mi ip y no estoy.<br>Tengo habilitado SPF, uso myDomain de dns.<br>El relay lo tengo solo para el localhost.<br>Uso Sendmail y phpMailer para mandar los email con php.<br>Todos los email llegan como spam, no solo las copias escondidas.
<br><br>Este es uno de los emails que llegan como spam en hotmail:<br><br>X-Message-Status: n:0<br>X-SID-PRA: <a href="mailto:rogerduran@rogerpc.com.ar" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">

rogerduran@rogerpc.com.ar</a> &lt;<a href="mailto:rogerduran@rogerpc.com.ar" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">rogerduran@rogerpc.com.ar</a>&gt;<br>X-SID-Result: TempError<br>X-Message-Info: txF49lGdW423y4rU1cGw4iCoMrBvgJpuvEh1Z2942pA=
<br>Received: from <a href="http://rogerpc.cpe.telecentro.com.ar" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
rogerpc.cpe.telecentro.com.ar</a> ([<a href="http://200.125.125.200" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)"><font color="red"><b>MailScanner warning: numerical links are often malicious:</b></font> 200.125.125.200</a>]) by <a href="http://bay0-mc6-f3.bay0.hotmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
bay0-mc6-f3.bay0.hotmail.com</a> with Microsoft SMTPSVC(6.0.3790.1830);<br>	 Tue, 9 May 2006 04:46:46 -0700
<br>Received: from <a href="http://rogerpc.com.ar" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">rogerpc.com.ar</a> (localhost [<a href="http://127.0.0.1" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)"><font color="red"><b>MailScanner warning: numerical links are often malicious:</b></font> 
127.0.0.1</a>])<br>	by <a href="http://rogerpc.cpe.telecentro.com.ar" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">rogerpc.cpe.telecentro.com.ar</a> (8.13.5.20060308
/8.13.5/Debian-3ubuntu1) with ESMTP id k49Bkf0s009002;<br>	Tue, 9 May 2006 08:46:42 -0300<br>Date: Tue, 9 May 2006 08:46:41 -0300<br>To: <a href="mailto:rogerduran@hotmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
rogerduran@hotmail.com</a><br>From: &quot;<a href="mailto:rogerduran@rogerpc.com.ar" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
rogerduran@rogerpc.com.ar</a>&quot; &lt;<a href="mailto:RogerDuran@rogerpc.com.ar" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">RogerDuran@rogerpc.com.ar</a>&gt;<br>Subject: Test<br>Message-ID: &lt;
<a href="mailto:e7a6d2e05900afe79b927829ebe0894e@rogerpc.com.ar" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">e7a6d2e05900afe79b927829ebe0894e@rogerpc.com.ar
</a>&gt;<br>X-Priority: 3<br>X-Mailer: PHPMailer [version 1.73]<br>MIME-Version: 1.0<br>Content-Transfer-Encoding: 8bit<br>Content-Type: text/html; charset=&quot;UTF-8&quot;<br>Return-Path: <a href="mailto:RogerDuran@rogerpc.com.ar" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">

RogerDuran@rogerpc.com.ar</a><br>X-OriginalArrivalTime: 09 May 2006 11:46:46.0787 (UTC) FILETIME=[40336D30:01C6735E]<br><br>Test Test Test Test Test Test Test Test Test Test Test Test Test <br>