mailer.js

// 'use strict';
// const nodemailer = require('nodemailer');
// const account = {
//   user: 'anglo.yhc',
//   pass: 'yanghc102030'
// }
// // Generate test SMTP service account from ethereal.email
// // Only needed if you don't have a real mail account for testing
// nodemailer.createTestAccount((err, account) => {

//     // create reusable transporter object using the default SMTP transport
//     let transporter = nodemailer.createTransport({
//         host: 'localhost',
//         port: 587,
//         secure: false, // true for 465, false for other ports
//         auth: {
//             user: account.user, // generated ethereal user
//             pass: account.pass  // generated ethereal password
//         }
//     });

//     // setup email data with unicode symbols
//     let mailOptions = {
//         from: '"Fred Foo 👻" <anglo.yhc@gmail.com', // sender address
//         to: '446573564@qq.com, yanghuche@gmail.com', // list of receivers
//         subject: 'Hello! nodemailer test.', // Subject line
//         text: 'Hello world?', // plain text body
//         html: '<b>Hello world?</b>' // html body
//     };

//     // send mail with defined transport object
//     transporter.sendMail(mailOptions, (error, info) => {
//         if (error) {
//             return console.log(error);
//         }
//         console.log('Message sent: %s', info.messageId);
//         // Preview only available when sending through an Ethereal account
//         console.log('Preview URL: %s', nodemailer.getTestMessageUrl(info));

//         // Message sent: <b658f8ca-6296-ccf4-8306-87d57a0b4321@blurdybloop.com>
//         // Preview URL: https://ethereal.email/message/WaQKMgKddxQDoou...
//     });
// });
'use strict';

const nodemailer = require('nodemailer');
const account = {
  smtp: {
    host: 'localhost',
    port: '12345'
  },
  user: 'anglo.yhc',
  pass: 'yanghc102030'
}
// Generate SMTP service account from ethereal.email
nodemailer.createTestAccount((err, account) => {
    if (err) {
        console.error('Failed to create a testing account');
        console.error(err);
        return process.exit(1);
    }

    console.log('Credentials obtained, sending message...');

    // NB! Store the account object values somewhere if you want
    // to re-use the same account for future mail deliveries

    // Create a SMTP transporter object
    let transporter = nodemailer.createTransport(
        {
            host: account.smtp.host,
            port: account.smtp.port,
            secure: account.smtp.secure,
            auth: {
                user: account.user,
                pass: account.pass
            },
            logger: false,
            debug: false // include SMTP traffic in the logs
        },
        {
            // default message fields

            // sender info
            from: '110 <anglo.yhc@gmail.com>',
            headers: {
                'X-Laziness-level': 1000 // just an example header, no need to use this
            }
        }
    );

    // Message object
    let message = {
        // Comma separated list of recipients
        to: 'Andris Reinman <446573564@qq.com>',

        // Subject of the message
        subject: 'Nodemailer is unicode friendly ✔',

        // plaintext body
        text: 'Hello to myself!',

        // HTML body
        html:
            '<p><b>Hello</b> to myself <img src="cid:note@example.com"/></p>' +
            '<p>Here\'s a nyan cat for you as an embedded attachment:<br/><img src="cid:nyan@example.com"/></p>',

        // An array of attachments
        attachments: [
            // String attachment
            {
                filename: 'notes.txt',
                content: 'Some notes about this e-mail',
                contentType: 'text/plain' // optional, would be detected from the filename
            },

            // Binary Buffer attachment
            {
                filename: 'image.png',
                content: new Buffer(
                    'iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAABlBMVEUAAAD/' +
                        '//+l2Z/dAAAAM0lEQVR4nGP4/5/h/1+G/58ZDrAz3D/McH8yw83NDDeNGe4U' +
                        'g9C9zwz3gVLMDA/A6P9/AFGGFyjOXZtQAAAAAElFTkSuQmCC',
                    'base64'
                ),

                cid: 'note@example.com' // should be as unique as possible
            }
        ]
    };

    transporter.sendMail(message, (error, info) => {
        if (error) {
            console.log('Error occurred');
            console.log(error.message);
            return process.exit(1);
        }

        console.log('Message sent successfully!');
        console.log(nodemailer.getTestMessageUrl(info));

        // only needed when using pooled connections
        transporter.close();
    });
});