[Unit]
Description=Postfix policyd rate limiter in chroot
After=network.target nss-lookup.target mariadb-admin.service
PartOf=chr-maild.target

[Service]
Type=simple
RootDirectory=/chroot/maild
RootDirectoryStartOnly=no
ExecStart=/usr/bin/policyd-rate-limit
KillSignal=SIGINT
StandardOutput=journal
StandardError=journal

PrivateTmp=true
MountAPIVFS=true
NoNewPrivileges=true
PrivateDevices=true
DevicePolicy=closed
ProtectSystem=full
ProtectKernelTunables=true
ProtectKernelModules=true
ProtectKernelLogs=true
ProtectProc=invisible
ProcSubset=pid
ProtectControlGroups=true
ProtectClock=true
ProtectHome=true
#RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6 AF_NETLINK
#CapabilityBoundingSet=CAP_NET_BIND_SERVICE CAP_DAC_READ_SEARCH
#RestrictNamespaces=uts ipc pid user cgroup
#RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
MemoryDenyWriteExecute=yes
#LockPersonality=yes
ReadOnlyPaths=/bin /sbin /lib /lib64 /usr /boot /etc
ReadOnlyPaths=/chroot/maild
ReadWritePaths=/chroot/maild/run
InaccessiblePaths=/chroot/maild/boot /chroot/maild/sys /chroot/maild/proc

# run
BindPaths=/chroot/maild/run:/run:norbind
# log, systemd notify
BindPaths=/run/systemd/notify:/run/systemd/notify:norbind /run/systemd/journal/dev-log:/run/systemd/journal/dev-log:norbind
# admin mysql
BindPaths=-/chroot/admin/run/mysqld:/run/mysqld:norbind


[Install]
#WantedBy=multi-user.target
WantedBy=chr-maild.target