[Dovecot] Error: User doesn't have home dir set, disabling duplicate database

[fila at pruda.com]

>
> No. The problem is that plugin { home } no longer works. Use mail_home
> instead.
>

Thank you Timo. Setting mail_home solves my problem.

I have added to the wiki ( http://wiki2.dovecot.org/VirtualUsers/Home ) an
example.
It was very difficult to find something about mail_home .