I am being asked to stand up a dedicated mail and web server in a network that runs Active Directory 2008 domain. All users are running Windows XP and or Windows 7. I have stood up two dedicated Linux servers (64-bit) for the requested tasks and everything is working perfect except for the fact that users now have three individual passwords: 1. Windows domain login credentials 2. Postfix / Dovecot (email) credentials are the Linux shell login (set to /bin/false) 3. Apache / Intranet access is used from a '.htpasswd' file Does anyone recommend a way that I could somehow synchronize the users mail & web credentials with their Windows / Kerberos credentials. Thanks for any help!