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40 lines
1.2 KiB
40 lines
1.2 KiB
[Unit] |
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Description=Maddy email server |
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Documentation=https://github.com/emersion/maddy |
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After=network-online.target |
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Wants=network-online.target systemd-networkd-wait-online.service |
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[Service] |
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Restart=on-failure |
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; User and group the process will run as. |
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User=maddy |
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Group=maddy |
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; Always set "-root" to something safe in case it gets forgotten in the Caddyfile. |
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ExecStart=/usr/local/bin/maddy |
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ExecReload=/bin/kill -USR1 $MAINPID |
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; Limit the number of file descriptors; see `man systemd.exec` for more limit settings. |
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LimitNOFILE=1048576 |
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; Unmodified maddy is not expected to use more than that. |
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LimitNPROC=64 |
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; Use private /tmp and /var/tmp, which are discarded after maddy stops. |
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PrivateTmp=true |
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; Use a minimal /dev |
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PrivateDevices=true |
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; Hide /home, /root, and /run/user. Nobody will steal your SSH-keys. |
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ProtectHome=true |
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; Make /usr, /boot, /etc and possibly some more folders read-only. |
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ProtectSystem=full |
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; ... except /var/lib/maddy, because we want Letsencrypt-certificates there. |
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; This merely retains r/w access rights, it does not add any new. Must still be writable on the host! |
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ReadWriteDirectories=/var/lib/maddy |
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CapabilityBoundingSet=CAP_NET_BIND_SERVICE |
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AmbientCapabilities=CAP_NET_BIND_SERVICE |
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NoNewPrivileges=true |
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[Install] |
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WantedBy=multi-user.target
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