File sendmail.service of Package sendmail

# This file is part of package sendmail.
#
# Copyright (c) 2011 SuSE LINUX Products GmbH, Germany.
# Author: Werner Fink
# Please send feedback to http://www.suse.de/feedback
#
# Description:
#
#  Used to start the sendmail Mail Transport Agent service
#  which handles all mails stored at /var/spool/mqueue/ and
#  all connections on port 25 aka smtp at localhost as well
#  as on all other network interfaces.
#

[Unit]
Description=Sendmail Mail Transport Agent
Requires=nss-lookup.target network.target local-fs.target
After=var-run.mount nss-lookup.target network.target local-fs.target
Wants=time-sync.target nss-user-lookup.target
After=time-sync.target nss-user-lookup.target
After=systemd-tmpfiles-setup.service
After=amavis.service cyrus.service ldap.service nscd.service ypbind.service saslauthd.service
Wants=sendmail-client.service
Before=sendmail-client.service
PropagatesReloadTo=sendmail-client.service
Conflicts=postfix.service exim.service

[Service]
Group=mail
ReadWritePaths=-/run/sendmail
ReadWritePaths=-/run/sendmail.pid
ReadWritePaths=-/var/run/sendmail
ReadWritePaths=-/var/run/sendmail.pid
ReadWritePaths=-/var/spool/mail
ReadWritePaths=-/var/spool/mqueue
ReadWritePaths=-/var/mail
ReadWritePaths=-/etc/aliases.db
ReadWritePaths=-/etc/mail/aliases.db
# added automatically, for details please see
# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
ProtectSystem=full
# Do never do this as maildrop or procmail can not deliver mails anymore
#ProtectHome=read-only
PrivateDevices=true
ProtectHostname=true
ProtectClock=true
ProtectKernelTunables=true
ProtectKernelModules=true
ProtectKernelLogs=true
ProtectControlGroups=true
RestrictRealtime=true
# end of automatic additions 
# Works only with -bD but not with -bd
Type=exec
Restart=on-success
# No PIDFile as it has wrong format and also shows timing problems,
# use -bD instead of -bd to avoid forking main service process
ExecStartPre=-/bin/echo 'Initializing SMTP port (sendmail)'
ExecStartPre=-/bin/sh -c 'make -C /etc/mail'
Environment="SENDMAIL_ARGS=-L sendmail -Am -bD -q30m -om"
EnvironmentFile=-/etc/sysconfig/mail
EnvironmentFile=-/etc/sysconfig/sendmail
ExecStart=/usr/sbin/sendmail $SENDMAIL_ARGS
ExecReload=/bin/kill -HUP $MAINPID

[Install]
WantedBy=multi-user.target
Also=sendmail-client.service