Adding system user `postfix' (UID 118) ...
Adding new user `postfix' (UID 118) with group `postfix' ...
useradd: cannot lock /etc/passwd; try again later.
adduser: `/usr/sbin/useradd -d /var/spool/postfix -g postfix -s /bin/false -u
118 postfix' returned error code 1. Exiting.
dpkg: error
** Attachment added: AptOrdering.txt
http://launchpadlibrarian.net/52350098/AptOrdering.txt
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/52350099/Dependencies.txt
** Attachment added: Df.txt
http://launchpadlibrarian.net/52350100/Df.txt
** Attachment added: