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Hi Linux experts,<br />
<br />
<br />
My office has a linux (CentOS) email server running Sendmail &amp;&nbsp;Dovecot IMAP. &nbsp;It was configured by the IT Manager so that when a user is created on the Windows 2008 domain, the same user email account will also be available in the Linux Server.<br />
<br />
Example:<br />
- domain\john.doe user is created on AD<br />
- john.doe@linux-email.com is automatically available in the Linux Email server. &nbsp;<br />
- The login will be same as AD's (john.doe), and password is also the same as the AD's<br />
<br />
I want to learn the configuration behind it. &nbsp;However I don't know where to start to look for information. &nbsp;I was wondering if it uses the OpenLDAP, but as I followed the directions from OpenLDAP in CentOS, I don't see any configs done in those config file. &nbsp;So, I think it might not be using OpenLDAP. <br />
<br />
<a href="http://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-ldap-quickstart.html" rel="ugc nofollow">http://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-ldap-quickstart.html</a><br />
<br />
Can anyone suggest what could be the mechanism for this auto linkage? &nbsp;Sorry, I am a novice in Linux, hopefully I am expressing myself OK. &nbsp;Thank you.<br />
<br />

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Hi Linux experts,


My office has a linux (CentOS) email server running Sendmail & Dovecot IMAP.  It was configured by the IT Manager so that when a user is created on the Windows 2008 domain, the same user email account will also be available in the Linux Server.

Example:
- domain\john.doe user is created on AD
- john.doe@linux-email.com is automatically available in the Linux Email server.  
- The login will be same as AD's (john.doe), and password is also the same as the AD's

I want to learn the configuration behind it.  However I don't know where to start to look for information.  I was wondering if it uses the OpenLDAP, but as I followed the directions from OpenLDAP in CentOS, I don't see any configs done in those config file.  So, I think it might not be using OpenLDAP. 

http://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-ldap-quickstart.html

Can anyone suggest what could be the mechanism for this auto linkage?  Sorry, I am a novice in Linux, hopefully I am expressing myself OK.  Thank you.



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