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

[Service]
EnvironmentFile=-/etc/sysconfig/sendmail
ExecStartPre=-/etc/mail/make
ExecStartPre=-/etc/mail/make aliases
ExecStart=/usr/sbin/sendmail $DAEMON $QUEUE $SENDMAIL_OPTARG
ExecReload=-/etc/mail/make
ExecReload=-/etc/mail/make aliases
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target