i Installed Postfix,Dovecot with UI Openwebmail running on Fedora Core 8 .Now i am switching to Zimbra and i have installed it on my One server.its sending and reserving email for my internal users and its for testing only.

So please guide me The easiest way to Import All users MailBoxes with thier username & passwords.

THis is my mail box structure
ls -ltr
total 3468
drwxr-xr-x 2 Username 547 4096 2008-05-29 15:49 Videos
drwxr-xr-x 2 Username 547 4096 2008-05-29 15:49 Templates
drwxr-xr-x 2 Username 547 4096 2008-05-29 15:49 Public
drwxr-xr-x 2 Username 547 4096 2008-05-29 15:49 Pictures
drwxr-xr-x 2 Username 547 4096 2008-05-29 15:49 Music
drwxr-xr-x 2 Username 547 4096 2008-05-29 15:49 Download
drwxr-xr-x 2 fUsername 547 4096 2008-05-29 15:49 Documents
drwxr-xr-x 2 Username 547 4096 2008-05-29 16:06 Desktop
-rw------- 1Username 547 0 2008-06-14 12:19 farrukhndm
drwxr-xr-x 2 root root 4096 2008-08-18 15:09 OpenWebMail
drwx------ 2 Username 547 4096 2008-08-26 15:54 mail
drwxr-xr-x 2 root root 4096 2008-08-30 10:47 openwebmail1
drwx------ 13 Username 547 4096 2009-08-18 10:50 Maildir


i have installed ZC Suite 5 on Centos.