Hi everybody,
i just install my webmail with horde/imp, postfix and mysql under Debian GNU/Linux 3.1.

All is ok, but now i want my mail user to change their password
with my webmail.

I also install sork-passwd.

But, when user try to change their password
it say :

user password not correct

when i test poppassd :

portable:~# telnet localhost 106
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
200 poppassd v1.8.5 hello, who are you?
user2
200 Your password please.
user2
500 Password required.
Connection closed by foreign host.

Help me please.