Comment 2 for bug 484004

Thanks fir your report.

Relevant message:
Your account has expired; please contact your system administrator
chfn: PAM authentication failed
adduser: `/usr/bin/chfn -f ftp daemon ftp' returned error code 1. Exiting.
dpkg: error processing vsftpd (--configure):
 subprocess installed post-installation script returned error exit status 1

This bug has already been reported in #238755, but please feel free to report any other bugs you find.