Running systemctl status postfix show a error message with default configuration :

[root@liliana misc]# systemctl status postfix
postfix.service - Postfix Mail Transport Agent
   Loaded: loaded (/usr/lib/systemd/system/postfix.service; enabled)
   Active: active (running) since sam. 2013-05-04 22:00:16 CEST; 24min ago
  Process: 31091 ExecStop=/usr/sbin/postfix stop (code=exited, status=0/SUCCESS)
  Process: 31107 ExecStart=/usr/sbin/postfix start (code=exited, status=0/SUCCESS)
  Process: 31104 ExecStartPre=/usr/libexec/postfix/chroot-update (code=exited, status=1/FAILURE)
  Process: 31101 ExecStartPre=/usr/libexec/postfix/aliasesdb (code=exited, status=0/SUCCESS)
 Main PID: 31179 (master)
   CGroup: name=systemd:/system/postfix.service
           ├─31179 /usr/libexec/postfix/master -w
           ├─31180 pickup -l -t unix -u
           └─31181 qmgr -l -t unix -u


While everything is working fine, it would be cleaner to not fail, as this could make sysadmin wonder if something wrong is going on. ( but adding "exit 0" would then hide errors, so that's not good either )