File postfix-user.conf of Package postfix.19957
# Type Name ID GECOS [HOME] g maildrop 59 - - g postfix 51 - - u postfix 51 "Postfix Daemon" /var/spool/postfix m postfix maildrop m postfix mail
# Type Name ID GECOS [HOME] g maildrop 59 - - g postfix 51 - - u postfix 51 "Postfix Daemon" /var/spool/postfix m postfix maildrop m postfix mail