how can i get trusted user list from AD
<p>"Sam" is a user of <strong>domain1.com</strong>. send the user creditials and get the user information from AD</p>

<p>“tuser1” is a user of <strong>domain2.com</strong>. </p>

<p>domain1.com and domain2.com are two way trusted.</p>

<p>My question is:</p>

<ol>
<li>How can i validate the "tuser1" is a valid user?.</li>
<li>How can I get the user information via domain1.com.</li>
</ol>
