[Service] LimitNOFILE=100000 ProtectSystem=strict PrivateTmp=true NoNewPrivileges=true PrivateDevices=true ProtectKernelTunables=true ProtectKernelModules=true ProtectControlGroups=true LockPersonality=true MemoryDenyWriteExecute=true SystemCallArchitectures=native BindPaths=-/run BindPaths=-/var/run BindPaths=-/var/lib/dovecot InaccessiblePaths=/var/www InaccessiblePaths=/root