Setting up a Site Server with Jaguar
Subject:   RE: IMAP is BUILT in to 10.2
Date:   2002-11-27 05:16:49
From:   anonymous2
IMAP & Webmail (Squirrelmail) are included with OSX 10.2 SERVER. Not the client.

There are completely different instructions for setting this up with Server, which are included in the help files.