[Unit]
Description=Postfix Mail Transport Agent
After=syslog.target network.target
Conflicts=sendmail.service exim.service

[Service]
Type=forking
PIDFile=@LOCALSTATEDIR@/spool/postfix/pid/master.pid
ExecStartPre=-@SBINDIR@/check_hostname.sh
ExecStartPre=-@LIBEXECDIR@/postfix/aliasesdb
ExecStart=@SBINDIR@/postfix start
ExecReload=@SBINDIR@/postfix reload
ExecStop=@SBINDIR@/postfix stop

[Install]
WantedBy=multi-user.target