<p>I'm failing at finding the commands I need to send to authenticate to a SMTP server using NTLM. </p>

<p>I think it goes something like:</p>

<pre><code>AUTH NTLM &lt;bae64encode something&gt;
334
&lt;bae64encode something&gt;
235
</code></pre>

[{'answer_id': 82401, 'author': 'Duncan Smart', 'author_id': 1278, 'author_profile': 'https://Stackoverflow.com/users/1278', 'pm_score': 1, 'selected': False, 'text': '<p>Look for information about <strong>Apache</strong> and Siteminder as Apache is responsible for the HTTP transport stuff in Subversion</p>\n'}, {'answer_id': 812821, 'author': 'Ram Prasad', 'author_id': 6361, 'author_profile': 'https://Stackoverflow.com/users/6361', 'pm_score': 3, 'selected': True, 'text': '<p>SVN with Siteminder has been implemented and is working now. Since there is not much of information out there on this, I would like to post the overview of steps followed:</p>\n\n<ol>\n<li>Cookie based authentcation was disabled on Siteminder end</li>\n<li>HTTP AUTH was enabled (in Siteminder) and all webdav methods were added to policy server to be handled by SiteMinder</li>\n<li>Authentication was disabled on apache end (HTTP Auth) for SVN</li>\n</ol>\n'}]
['https://Stackoverflow.com/questions/73651', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4580/']