title: How to see the multipart/alternative email in Rails?
body: <p>When sending a multipart/alternative email, the body is empty:</p>
  
  <pre><code>m = send_mail
  =&gt; &lt;Mail::Message:70121014358060, Multipart: true, Headers: &lt;Date: Tue, 06 Nov 2012 09:18:06
  -0800&gt;, &lt;From: foo@example.com&gt;, &lt;To: bar@example.com&gt;, 
  &lt;Message-ID: &lt;5099464e821ef_71113fc654c35xe065537@Air.local.mail&gt;&gt;, &lt;Subject: 
  Test&gt;, &lt;Mime-Version: 1.0&gt;, &lt;Content-Type: 
  multipart/alternative; boundary="--==_mimepart_5099422e825b0_71113fc654c34ce068277";
  charset=UTF-8&gt;, &lt;Content-Transfer-Encoding: 7bit&gt;&gt;
  
  m.body
  =&gt;
  </code></pre>
  
  <p>How to inspect the body or the different parts?</p>
  
  <p>Rails 3.2.2</p>