mailexporter@.service

[Unit]
Description=Exports prometheus-style metrics about mailserver functionality
After=network-online.service
Wants=network-online.target

[Service]
Type=simple
ExecStart=/usr/bin/mailexporter -web.listen-address=%i
Restart=always

# systemd hardening-options
# Documentation about these can be found under systemd.exec(5)
# The linked websites might be for a newer systemd version than your installed one
PrivateDevices=true      # https://www.freedesktop.org/software/systemd/man/systemd.exec.html#PrivateDevices=
PrivateTmp=true          # https://www.freedesktop.org/software/systemd/man/systemd.exec.html#PrivateTmp=
ProtectSystem=full       # https://www.freedesktop.org/software/systemd/man/systemd.exec.html#ProtectSystem=
NoNewPrivileges=true     # https://www.freedesktop.org/software/systemd/man/systemd.exec.html#NoNewPrivileges=

[Install]
WantedBy=multi-user.target