[Dovecot] courier to dovecot

[J Gao]

Hi, All,

I am new here and I need your advises. Here is my story:

I have a mail server like this:
- CentOS 5  32 bit (LAMP)
- Postfix 2.3
- Courier
- MailScanner
Courier use maildir to save emails in /home/vmail/<virtual domain>/<user> /


Now I want to build a new system on CentOS 6.4 64bit with postfix, 
dovecot and migrate all user accounts and their emails.

I already installed CentOS 6.4, postfix and mysql. Also just installed 
Dovecot v2.2.4 from the RPM. Now I am looking into how to
Is there a good instruction on how to do this kind of migration?

I still prefer using the maildir system.  If I just copy all users email 
from old server to new dovecot user maildir, will dovecot see these 
mails (and sub-folders) ? Do I need do anything extra?

Thanks in advance.

Gao

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