Question : Linux outlook

Hello
I have Linux debian server installed with postfix,dovecot-IMAP and roundcubemail.
Server works very well.I can use webmail no problem.
But my problem is Outlook 2007.
I can not configure correctly.
I do how should be but still outlook shows cant connect server.

or i need to install samba and queto?This is only mail server ,only installed postfix and dovecot.
Pls help.
Thank you

Answer : Linux outlook

you do not need samba for Outllok to work.

Are you configuring it to connect to the IMAP server?

what are the log fiels saying on the server and what does Outlook say when you try to connect?