The the README file in the password plugin folder.
I already go try there. But just to be sure. in chgvirtualminpasswd.c it`s sayng:
gcc -o chgvirtualminpasswd chgvirtualminpasswd.c
chown root.apache chgvirtualminpasswd
chmod 4550 chgvirtualminpasswd
on chown root.apache chgvirtualminpasswd i have chnage apache to nginx because i run nginx instead of apache but still the same issue.
I have try to change it apache to demo because the username od the account where roundcube is its demo but still the same issue.
I just notice in the 4,5 and 6 line in chgvirtualminpasswd.c the following code:
// set the UID this script will run as (root user)
#define UID 0
#define CMD "/usr/sbin/virtualmin"
Do i need to change something here ?!