pureftpd-mysql issue

Hi,

I'm using pure-ftpd with mysql backend for almost 2 years now. This morning
I re installed the whole server and so for the pure-ftpd thing.
I reloaded my old configuration file.
The mysql server wasn't reinstalled (it's on another box).
Pure-ftpd start with no error, but when I try to login (whatever login), i
get :

Dec  8 20:02:20 localhost pure-ftpd: ([email protected]) [INFO] New connection
from 127.0.0.1
Dec  8 20:02:22 localhost pure-ftpd: ([email protected]) [DEBUG] Command [user]
[public]
Dec  8 20:02:24 localhost pure-ftpd: ([email protected]) [DEBUG] Command [pass]
[<*>]
Dec  8 20:02:24 localhost pure-ftpd: ([email protected]) [ERROR] The SQL server
seems to be down
Dec  8 20:02:24 localhost pure-ftpd: ([email protected]) [WARNING] Authentication
failed for user [public]
Dec  8 20:02:28 localhost pure-ftpd: ([email protected]) [DEBUG] Command [syst] []
Dec  8 20:02:28 localhost pure-ftpd: ([email protected]) [INFO] Logout.

But i'm more than sure about the password. I even tried to reconfigure the
accounts (and conf file) for cleartext, but no change.

Do anyone has any clue ?