{
    "verbose-log": true,
    "smtp-data-limit": 104857600,
    "smtp-timeout": 60,
    "smtp-max-recipients": 50,
    "routes": [
        {
            "port-in": 3587,
            "port-out": 587,
            "destination": "smtp.localhost",
            "type": "smtp"
        },
        {
            "port-in": 3995,
            "port-out": 995,
            "destination": "pop3.localhost",
            "type": "tcp"
        }
    ]
}