title: I want to send HTML emails from my site, but Outlook is flagging them as spam
body: <p>How to get Outlook to approve my email and not treat it as spam?</p>
  
  <p>I read it's something to do with the headers; here is my email headers.</p>
  
  <pre><code>Received: from smtp-in-75.livemail.co.uk (213.171.216.76) by
   exch-ht02.email.local (10.44.216.65) with Microsoft SMTP Server id
   14.1.355.2; Fri, 25 Nov 2011 12:16:47 +0000
  Received: from virus_14.livemail.co.uk (virus-cluster.livemail.co.uk
   [213.171.216.10])  by smtp-in-75.livemail.co.uk (Postfix) with SMTP id
   22A126540B7    for &lt;info@cash-access.com&gt;; Fri, 25 Nov 2011 12:16:45 +0000 (GMT)
  X-Spam-Flag: YES
  X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on
      spam_208.livemail.co.uk
  X-Spam-Level: **********
  X-Spam-Status: Yes, score=10.6 required=5.0 tests=FH_FROM_CASH,
      HTML_IMAGE_ONLY_12,HTML_MESSAGE,HTML_MIME_NO_HTML_TAG,MIME_HEADER_CTYPE_ONLY,
      MIME_HTML_ONLY shortcircuit=no autolearn=disabled version=3.2.5
  X-Spam-Report: *  3.0 FH_FROM_CASH From name has "cash"
      *  2.6 HTML_IMAGE_ONLY_12 BODY: HTML: images with 800-1200 bytes of words
      *  0.0 HTML_MESSAGE BODY: HTML included in message
      *  2.3 MIME_HTML_ONLY BODY: Message only has text/html MIME parts
      *  1.0 MIME_HEADER_CTYPE_ONLY 'Content-Type' found without required MIME
      *      headers
      *  1.7 HTML_MIME_NO_HTML_TAG HTML-only message, but there is no HTML tag
  Received: from cust-smtp-193.fasthosts.net.uk (smtp-out-60.livemail.co.uk
   [213.171.216.60])  by smtp-in-165.livemail.co.uk (Postfix) with ESMTP id
   710E5EB00B9    for &lt;info@cash-access.com&gt;; Fri, 25 Nov 2011 12:16:40 +0000 (GMT)
  Received: from linweb04.linvh1.fasthosts.co.uk (unknown [88.208.252.195])   by
   cust-smtp-193.fasthosts.net.uk (Postfix) with ESMTP id 27B5F14100A9;   Fri, 25
   Nov 2011 12:16:40 +0000 (GMT)
  Received: by linweb04.linvh1.fasthosts.co.uk (Postfix, from userid 1040243723)
      id 21D2A1F609; Fri, 25 Nov 2011 12:16:40 +0000 (GMT)
  To: &lt;info@cash-access.com&gt;
  Subject: -----SPAM----- Your Pension Backed Loan Enquiry
  From: &lt;info@cash-access.com&gt;
  Content-Type: text/html
  CC: &lt;stevewolfe71@gmail.com&gt;
  Message-ID: &lt;20111125121640.21D2A1F609@linweb04.linvh1.fasthosts.co.uk&gt;
  Date: Fri, 25 Nov 2011 12:16:40 +0000
  X-Spam-Prev-Subject: Your Pension Backed Loan Enquiry
  X-Original-To: info@cash-access.com
  X-AntiVirus: checked by Vexira MailArmor
  Return-Path: user_1040238723@linweb04.linvh1.fasthosts.co.uk
  X-MS-Exchange-Organization-AuthSource: exch-ht02.email.local
  X-MS-Exchange-Organization-AuthAs: Anonymous
  MIME-Version: 1.0
  </code></pre>
  
  <p>And here is my php code.</p>
  
  <pre><code>$id = $_GET['id'];
  $date = date('y-m-d h:i:s');
  
  
  $recipient = $_GET['email'];
  $lname = $_GET['lname'];
  $fname = $_GET['fname'];
  $title = $_GET['title'];
  
      $to = $recipient; 
      $from = "info@cash-access.com"; 
      $subject = "Your Pension Backed Loan Enquiry"; 
  
      $message = '
  &lt;p&gt;Dear '.$title.' '.$fname.' '.$lname.'&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;We have received your enquiry from Pension Backed Loans and we will be in contact with you to discuss your requirements alternatively you can call us on 01202 763339.&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;&lt;u&gt;&lt;/u&gt; &lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;Yours sincerely&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;&lt;strong&gt;Joanne Hearn&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/strong&gt;&lt;/p&gt;
  &lt;p&gt;Cash Access&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;7a Milburn Road&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;Westbourne&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;Bournemouth&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;Dorset BH4 9HJ&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;&lt;u&gt;&lt;/u&gt; &lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;t: &lt;a href="tel:%2B44%280%291202%20763339" value="+441202763339" target="_blank"&gt;+44(0)1202 763339&lt;/a&gt;&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;e: &lt;a href="mailto:info@cash-access.com" target="_blank"&gt;info@cash-access.com&lt;/a&gt;&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;w: &lt;a href="http://www.cash-access.com/" target="_blank"&gt;www.cash-access.com&lt;/a&gt;&lt;u&gt;&lt;/u&gt;&lt;u&gt;&lt;/u&gt;&lt;/p&gt;
  &lt;p&gt;&lt;u&gt;&lt;/u&gt; &lt;img src="http://cash-access.com/crm/logo.png" width="288" height="72" /&gt;&lt;/p&gt;
  '; 
      $headers  = "From: $from\r\n"; 
      $headers .= "Content-type: text/html\r\n"; 
  
      $headers .= "Cc: stevewolfe71@gmail.com"; 
  
      mail($to, $subject, $message, $headers); 
  </code></pre>