Courier-MTA not listening, how to increase debugging information?

i Follow tutorial from https://wiki.archlinux.org/index.php/Courier_MTA based on systemctl status command, the server is working fine # systemctl status courier courier.service - Courier Daemon Loaded: loaded (/usr/lib/systemd/system/courier.service; disabled) Active: active (running) since Tue 2013-08-27 15:40:16 WIT; 35s ago Process: 509 ExecStop=/usr/sbin/courier stop (code=exited, status=0/SUCCESS) Process: 511 ExecStart=/usr/sbin/courier start (code=exited, status=0/SUCCESS) Main PID: 516 (courierd) CGroup: name=systemd:/system/courier.service ├─516 /usr/lib/courier/courierd ├─517 /usr/lib/courier/courierd ├─518 ./courieruucp ├─519 ./courierlocal ├─520 ./courierfax ├─521 ./courieresmtp └─522 ./courierdsn Aug 27 15:40:16 gravity courierd: Started ./courieruucp, pid=518, maxdels=4, maxhost=4, maxrcpt=16 Aug 27 15:40:16 gravity courierd: Started ./courierlocal, pid=519, maxdels=10, maxhost=4, maxrcpt=1 Aug 27 15:40:16 gravity courierd: Started ./courierfax, pid=520, maxdels=1, maxhost=1, maxrcpt=1 Aug 27 15:40:16 gravity courierd: Started ./courieresmtp, pid=521, maxdels=40, maxhost=4, maxrcpt=100 Aug 27 15:40:16 gravity courierd: Started ./courierdsn, pid=522, maxdels=4, maxhost=1, maxrcpt=1 Aug 27 15:40:16 gravity courierd: queuelo=200, queuehi=400 Aug 27 15:40:16 gravity courierd: Purging /var/spool/courier/msgq Aug 27 15:40:16 gravity courierd: Purging /var/spool/courier/msgs Aug 27 15:40:16 gravity courierd: Waiting. shutdown time=Tue Aug 27 16:40:16 2013, wakeup time=Tue Aug 27 15:50:44 2013, queuedeliverin...rogress=0 Aug 27 15:40:16 gravity courieruucp: ERROR: no uucp user found, outbound UUCP is DISABLED! but the server was not listening at all $ sudo netstat -ant | grep :25 $ sudo netstat -ant | grep :143 the start configuration # grep START= /etc/courier/* /etc/courier/esmtpd:ESMTPDSTART=YES /etc/courier/esmtpd-msa:ESMTPDSTART=YES /etc/courier/esmtpd-ssl:ESMTPDSSLSTART=NO /etc/courier/imapd:IMAPDSTART=YES /etc/courier/imapd-ssl:IMAPDSSLSTART=NO /etc/courier/pop3d:POP3DSTART=YES /etc/courier/pop3d-ssl:POP3DSSLSTART=NO the log: Aug 27 15:40:16 gravity courierd: Loading STATIC transport module libraries. Aug 27 15:40:16 gravity courierd: Courier 0.71 Copyright 1999-2012 Double Precision, Inc. Aug 27 15:40:16 gravity courierd: Installing [0/0] Aug 27 15:40:16 gravity courierd: Installing uucp Aug 27 15:40:16 gravity courierd: Installed: module.uucp - Courier 0.71 Copyright 1999-2012 Double Precision, Inc. Aug 27 15:40:16 gravity courierd: Installing local Aug 27 15:40:16 gravity courierd: Installed: module.local - Courier 0.71 Copyright 1999-2012 Double Precision, Inc. Aug 27 15:40:16 gravity courierd: Installing fax Aug 27 15:40:16 gravity courierd: Installed: module.fax - Courier 0.71 Copyright 1999-2012 Double Precision, Inc. Aug 27 15:40:16 gravity courierd: Installing esmtp Aug 27 15:40:16 gravity courierd: Installed: module.esmtp - Courier 0.71 Copyright 1999-2012 Double Precision, Inc. Aug 27 15:40:16 gravity courierd: Installing dsn Aug 27 15:40:16 gravity courierd: Installed: module.dsn - Courier 0.71 Copyright 1999-2012 Double Precision, Inc. Aug 27 15:40:16 gravity courierd: Initializing uucp Aug 27 15:40:16 gravity courierd: Initializing local Aug 27 15:40:16 gravity courierd: Initializing fax Aug 27 15:40:16 gravity courierd: Initializing esmtp Aug 27 15:40:16 gravity courierd: Initializing dsn Aug 27 15:40:16 gravity courierd: Started ./courieruucp, pid=518, maxdels=4, maxhost=4, maxrcpt=16 Aug 27 15:40:16 gravity courierd: Started ./courierlocal, pid=519, maxdels=10, maxhost=4, maxrcpt=1 Aug 27 15:40:16 gravity courierd: Started ./courierfax, pid=520, maxdels=1, maxhost=1, maxrcpt=1 Aug 27 15:40:16 gravity courierd: Started ./courieresmtp, pid=521, maxdels=40, maxhost=4, maxrcpt=100 Aug 27 15:40:16 gravity courierd: Started ./courierdsn, pid=522, maxdels=4, maxhost=1, maxrcpt=1 Aug 27 15:40:16 gravity courierd: queuelo=200, queuehi=400 Aug 27 15:40:16 gravity courierd: Purging /var/spool/courier/msgq Aug 27 15:40:16 gravity courierd: Purging /var/spool/courier/msgs Aug 27 15:40:16 gravity courierd: Waiting. shutdown time=Tue Aug 27 16:40:16 2013, wakeup time=Tue Aug 27 15:50:44 2013, queuedelivering=1, inprogress=0 Aug 27 15:40:16 gravity courieruucp: ERROR: no uucp user found, outbound UUCP is DISABLED! how to increase debugging information?