[Unit] Description=SMTP Proxy for EXAMPLE After=docker.service Requires=docker.service BindsTo=docker.service [Service] SyslogIdentifier=EXAMPLE-smtp.service ExecStart=/usr/bin/systemd-docker run \ --rm \ --name %n \ --net mynet --ip 100.64.5.3 \ --env MAILNAME=git.EXAMPLE.com \ namshi/smtp Restart=always RestartSec=30s Type=notify NotifyAccess=all TimeoutStartSec=120 TimeoutStopSec=30 [Install] WantedBy=multi-user.target