mirror of
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28bdf6d33f
1. Clarify that you need to manually create the user and group when building from source. ./build.sh does not do that since it is a packaging tool, not system configuration one. 2. Do not require "go" command to be present when running ./build.sh install. go installation may be user-specific and unavailable when running with sudo. 3. Ease UMask restrictions. Allow group access. This allows CLI commands to be run by any user in maddy group. See #569.
82 lines
2 KiB
Desktop File
82 lines
2 KiB
Desktop File
[Unit]
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Description=maddy mail server
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Documentation=man:maddy(1)
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Documentation=man:maddy.conf(5)
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Documentation=https://maddy.email
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After=network-online.target
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[Service]
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Type=notify
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NotifyAccess=main
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User=maddy
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Group=maddy
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# cd to state directory to make sure any relative paths
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# in config will be relative to it unless handled specially.
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WorkingDirectory=/var/lib/maddy
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ConfigurationDirectory=maddy
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RuntimeDirectory=maddy
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StateDirectory=maddy
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LogsDirectory=maddy
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ReadOnlyPaths=/usr/lib/maddy
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ReadWritePaths=/var/lib/maddy
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# Strict sandboxing. You have no reason to trust code written by strangers from GitHub.
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PrivateTmp=true
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ProtectHome=true
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ProtectSystem=strict
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ProtectKernelTunables=true
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ProtectHostname=true
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ProtectClock=true
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ProtectControlGroups=true
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RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
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# Additional sandboxing. You need to disable all of these options
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# for privileged helper binaries (for system auth) to work correctly.
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NoNewPrivileges=true
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PrivateDevices=true
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DeviceAllow=/dev/syslog
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RestrictSUIDSGID=true
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ProtectKernelModules=true
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MemoryDenyWriteExecute=true
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RestrictNamespaces=true
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RestrictRealtime=true
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LockPersonality=true
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# Graceful shutdown with a reasonable timeout.
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TimeoutStopSec=7s
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KillMode=mixed
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KillSignal=SIGTERM
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# Required to bind on ports lower than 1024.
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AmbientCapabilities=CAP_NET_BIND_SERVICE
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CapabilityBoundingSet=CAP_NET_BIND_SERVICE
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# Force all files created by maddy to be only readable by it
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# and maddy group.
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UMask=0007
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# Bump FD limitations. Even idle mail server can have a lot of FDs open (think
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# of idle IMAP connections, especially ones abandoned on the other end and
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# slowly timing out).
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LimitNOFILE=131072
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# Limit processes count to something reasonable to
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# prevent resources exhausting due to big amounts of helper
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# processes launched.
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LimitNPROC=512
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# Restart server on any problem.
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Restart=on-failure
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# ... Unless it is a configuration problem.
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RestartPreventExitStatus=2
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ExecStart=/usr/local/bin/maddy run
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ExecReload=/bin/kill -USR1 $MAINPID
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ExecReload=/bin/kill -USR2 $MAINPID
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[Install]
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WantedBy=multi-user.target
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