doesn't remember userdata / create everytime a new user

[friibii]

hi..

my roundcube looks nice, but i've got two problems.

1. i can access "shared folders" via thunderbird, but in the "folder" option of roundcube, i don't see them.. :-(
2. everytime i connect, the last config's (sender-name, signature, ...) is lost.. and in the database i see a new user..

thanks
friibii