[Dovecot] Migrating to mdbox

[Timo Sirainen]

On Thu, 2011-03-17 at 11:26 +0000, Chris Wilson wrote:

> Now I'm trying to migrate just my user account to mdbox, without affecting 
> other users. I think I figured out that I have to use a SQL userdb with 
> just an entry for me, falling back to the passwd userdb for everyone else. 

SQL just for one user? That seems a bit wasteful. You could instead use
http://wiki2.dovecot.org/AuthDatabase/PasswdFile

> I think I got this configured, and Dovecot IMAP then appears to open my 
> mdbox when I connect, but deliver still delivers to /var/spool/mail/chris. 
> 
> doveconf -m lda doesn't pick up anything about the SQL userdb, so I don't 
> see how deliver could even know that it should look here to pick up my 
> mail location, but I think it should work out where the user is expecting 
> their mail to be stored in order to deliver it to the correct place, 
> shouldn't it? What am I missing?

dovecot-lda doesn't know if you're using SQL or whatever, it just does a
userdb lookup from auth process. You need to give -d <user> parameter to
dovecot-lda for this to happen.