How to configure IMAP on Exchange 2010

I purchased a wild card certificate for my  company (* I successfully published OWA. However, i am having problems with IMAP publishing. IMAP users are not able to connect.

Is there any good referecen/documentation on how to setup IMAPS on Exchange 2010, publish it on TMG and how to setup IMAP profile in Outlook 2010?

Thank you.
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Please follow the below mentioned link
KOP2010Author Commented:
i followed all the steps. However i get prompted for credentials when i launch Outlook.  This occurs whether i am using IMAP or IMAPS.
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Is there a "remember password" checkbox available  to you in the account settings of the imap account?
KOP2010Author Commented:
i am entering the correct username and password. For some reasons, i can not log in. I keep getting prompted for credentials. I checked the IMAP setting (get-IMAPsetting) and authentication method is SecureLogin.
Have you verified that the account you are trying to log into is IMAP enabled?

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