[sork] problems with sork passwd

[Angelica Escobar]

Hello!
I have the next problem:
I just installed passwd module for horde, and I am using sendmail, but when I try to change my passwd I have the next log:

 poppassd[30845]: old password is incorrect for user angeles

but my old passwd is rigth

I tried with this too:

telnet localhost 106
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
200 poppassd v1.8.3 hello, who are you?
user angeles
200 Your password please.
pass oldpass
500 Old password is incorrect.
Connection closed by foreign host.

can some body help me quickly please?

thanks!

Angelica