The root of the problem is:
useradd: cannot lock /etc/passwd; try again later.
Have you changed /etc/passwd? What are the permissions on the file?
This is not a bug in postfix.
The root of the problem is:
useradd: cannot lock /etc/passwd; try again later.
Have you changed /etc/passwd? What are the permissions on the file?
This is not a bug in postfix.