[Dovecot] vpopmail auth always return "unknown user"

[fakessh]

On Fri, 27 Aug 2010 16:15:42 +0200, Toorop <toorop at toorop.fr> wrote:
> Hi,
> 
> I'm working on a setup of dovecot 2 + netqmail + vpopmail 5.5 but
> auth doesn't works :(
> 
> dovecot -n
> # 2.0.1: /etc/dovecot/dovecot/dovecot.conf
> # OS: Linux 2.6.35.1-rscloud x86_64 Ubuntu 10.04.1 LTS
> auth_debug = yes
> auth_debug_passwords = yes
> auth_mechanisms = plain login cram-md5
> auth_verbose = yes
> auth_verbose_passwords = plain
> disable_plaintext_auth = no
> log_path = /var/log/dovecot/dovecot.log
> login_greeting = Dovecot ready.
> mail_debug = yes
> passdb {
>   driver = vpopmail
> }
> ssl_cert = </etc/ssl/certs/dovecot.pem
> ssl_key = </etc/ssl/private/dovecot.pem
> userdb {
>   driver = vpopmail
> }
> verbose_ssl = yes
> 
> 
> 
dovecot -n is very very simplistic
thanks more work itself