var stransporter = nodemailer.createTransport({

    host:smtp-163.com',       //适合163

    secureConnection: true, // use SSL

    port: 465, // port

    auth: {

        user: 'bsspirit@gmail.com',

        pass: 'xxxxxxxxx'

    }

});

function ssl(){

    var mailOptions = {

        from: 'bsspirit ',

        to: 'xxxx@163.com',

        subject: 'SSL Email',

        html: 'Hello world'

    }

    return mailOptions;

}

stransporter.sendMail(ssl(), function(error, info){

    if(error){

        console.log(error);

    }else{

        console.log('Message sent: ' + info.response);

    }

});