[Unit]
Description=Spam Proxy service
After=network.target spamprox.socket
Requires=spamprox.socket

[Service]
Type=simple
User=mail
Group=mail
StandardInput=socket
StandardOutput=socket
StandardError=journal
ExecStart=/usr/local/sbin/spamprox
TimeoutStopSec=30

[Install]
WantedBy=default.target