File sendmail-client.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 Client service
#  which handles all mails stored at /var/spool/clientmqueue/
#

[Unit]
Description=Sendmail Mail Transport Client
Requires=sendmail.service
After=sendmail.service
After=systemd-tmpfiles-setup.service
Wants=mail-transfer-agent.target
Before=mail-transfer-agent.target
ConditionDirectoryNotEmpty=|/var/spool/clientmqueue
JoinsNamespaceOf=sendmail.service

[Service]
Group=mail
ReadWritePaths=-/var/spool/clientmqueue
ReadWritePaths=-/var/spool/clientmqueue/sm-client.pid
ReadOnlyPaths=-/etc/mail/system/sm-client.pre
ExecPaths=-/etc/mail/system/sm-client.pre
# 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 
Type=forking
Restart=on-success
# Note that PIDFile as it has wrong format and also shows timing problems
PIDFile=/var/spool/clientmqueue/sm-client.pid
ExecStartPre=-/etc/mail/system/sm-client.pre
Environment="SENDMAIL_CLIENT_ARGS=-L sendmail-client -Ac -qp30m"
EnvironmentFile=-/etc/sysconfig/mail
EnvironmentFile=-/etc/sysconfig/sendmail
ExecStart=/usr/sbin/sendmail $SENDMAIL_CLIENT_ARGS
ExecReload=/bin/kill -HUP $MAINPID

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