Is anyone using imap on Kmail 1.9.3?

I'm having problems setting up imap and I'm hoping that someone is using imap and kmail 1.9.3 who can tell me what setting they have in their kmailrc file. I need to set a subfolder called "mail" as the base mail directory. I cannot find any options in kmail to do that, so I'm hoping that some setting in the kmailrc file will do the trick. Thanks in advance. Eddie