如何使用 Node.js 邮箱服务进行自动化发送邮件 All In One

如何使用 Node.js 邮箱服务进行自动化发送邮件 All In One

$ npm i -S nodemailer

"use strict";
const nodemailer = require("nodemailer");

const transporter = nodemailer.createTransport({
  host: "smtp.forwardemail.net",
  port: 465,
  secure: true,
  auth: {
    // TODO: replace `user` and `pass` values from <https://forwardemail.net>
    user: "REPLACE-WITH-YOUR-ALIAS@YOURDOMAIN.COM",
    pass: "REPLACE-WITH-YOUR-GENERATED-PASSWORD",
  },
});

// async..await is not allowed in global scope, must use a wrapper
async function main() {
  // send mail with defined transport object
  const info = await transporter.sendMail({
    from: '"Fred Foo 👻" <foo@example.com>', // sender address
    to: "bar@example.com, baz@example.com", // list of receivers
    subject: "Hello ✔", // Subject line
    text: "Hello world?", // plain text body
    html: "<b>Hello world?</b>", // html body
  });

  console.log("Message sent: %s", info.messageId);
  // Message sent: <b658f8ca-6296-ccf4-8306-87d57a0b4321@example.com>

  //
  // NOTE: You can go to https://forwardemail.net/my-account/emails to see your email delivery status and preview
  //       Or you can use the "preview-email" npm package to preview emails locally in browsers and iOS Simulator
  //       <https://github.com/forwardemail/preview-email>
  //
}

main().catch(console.error);

https://nodemailer.com/

demos

const nodemailer = require('nodemailer');

const transporter = nodemailer.createTransport({
  // logger: true,
  // debug: true,
  // 接收 imap / pop
  // host: "pop.163.com",
  // host: "imap.163.com",
  // 发送 smtp ✅
  host: "smtp.163.com",
  // port: 25,
  // ❌ Error: 4056C15DF87F0000:error:0A00010B:SSL routines:ssl3_get_record:wrong version number:../deps/openssl/openssl/ssl/record/ssl3_record.c:355:
  // port: 465,
  port: 994, // SSL
  secure: true,
  auth: {
    user: "admin@163.com",
    pass: "******",
  },
})

async function test() {
  const info = await transporter.sendMail({
    from: '"admin" <admin@163.com>',
    to: '"user" <xgqfrms@xgqfrms.xyz>',
    subject: "邮件主题",
    text: "邮件, 纯文本 ✅",
    // html: "<b>邮件, HTML 富文本 🚀</b>",
  })
  console.log(`info`, info)
  console.log("Message sent: %s", info.messageId);
}

test().catch(console.error);

https://stackoverflow.com/questions/77004007/nodemailer-default-options-issue/77004119#77004119

defaults options & to array

let transporter = nodemailer.createTransport(options[, defaults])

https://nodemailer.com/smtp/#authentication

批量发送 email

const nodemailer = require('nodemailer');

const date = new Date(`2023-01-01`);
console.log(`date =`, date)
// Sun Jan 01 2023 08:00:00 GMT+0800 (China Standard Time)


const transporter = nodemailer.createTransport({
  // logger: true,
  // debug: true,
  // 接收 imap / pop
  // host: "pop.163.com",
  // host: "imap.163.com",
  // 发送 smtp ✅
  host: "smtp.163.com",
  port: 25,
  // ❌ Error: 4056C15DF87F0000:error:0A00010B:SSL routines:ssl3_get_record:wrong version number:../deps/openssl/openssl/ssl/record/ssl3_record.c:355:
  // port: 465,
  port: 994, // SSL
  secure: true,
  auth: {
    // https://forwardemail.net
    user: "test@163.com",
    pass: "*******",
  },
  // host: "smtp.gmail.com",
  // port: 465,
  // secure: true,
  // auth: {
  //   type: "OAuth2",
  //   user: "user@example.com",
  //   accessToken: "ya29.Xx_XX0xxxxx-xX0X0XxXXxXxXXXxX0x",
  // },
}, {
  // defaults object  ✅
  // from: 'test@163.com',
  from: 'admin <test@163.com>',
  // ❌❌ callback = Error: Mail command failed: 553 Mail from must equal authorized user
  // 覆盖
  date: date,
  encoding: 'UTF-8',
  html: "<b>邮件, HTML 富文本 🚀</b>",
  messageId: '1234567890'
})

/*

https://nodemailer.com/smtp/#authentication

defaults – is an object that is going to be merged into every `message` object. This allows you to specify shared options, for example to set the same from address for every message

TS .d.ts

/Users/xgqfrms-mm/Library/Caches/typescript/5.3/node_modules/@types/nodemailer/lib/mailer/index.d.ts

interface Options {
    // The e-mail address of the sender. All e-mail addresses can be plain 'sender@server.com' or formatted 'Sender Name <sender@server.com>'
    from?: string | Address | undefined;
    // An e-mail address that will appear on the Sender: field
    sender?: string | Address | undefined;
    // Comma separated list or an array of recipients e-mail addresses that will appear on the To: field
    to?: string | Address | Array<string | Address> | undefined;
}

*/

async function test() {
  const info = await transporter.sendMail({
    // from: '"admin" <test@163.com>',
    // message 对象，自动合并 default 到这里 ✅
    // to: 'user <test@xgqfrms.xyz>',
    to: [
      'user <test1@xgqfrms.xyz>',
      'user <test2@xgqfrms.xyz>',
    ],
    subject: "邮件主题 🇨🇳",
    text: "邮件, 纯文本 ❌✅",
    // html: "<b>邮件, HTML 富文本 🚀</b>",
  }, (err, info) => {
    if(err) {
      console.log(`❌❌ callback =`, err)
    } else {
      console.log(`✅✅ callback =`, info)
    }
  })
  console.log(`info`, info)
  // console.log("Message sent: %s", info.messageId);
}

test().catch(console.error);

/*

API

https://nodemailer.com/usage/

https://nodemailer.com/smtp/

https://stackoverflow.com/questions/77004007/nodemailer-default-options-issue/77004119?noredirect=1#comment135757691_77004119

*/

// module.exports = {
//   monthlyStorageMetrics,
// }

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SMTP

cURL post

$ curl -XPOST "http://127.0.0.1:3000/v1/account/example/submit" \
    -H "Authorization: Bearer f77cf263b70488c7a35bf1539fd544a81a88711ff74326ce9793022df08d91b9" \
    -H "Content-type: application/json" \
    -d '{
      "from": {
        "name": "Andris Reinman",
        "address": "andris@example.com"
      },
      "to": [
        {
          "name": "Ethereal",
          "address": "andris@ethereal.email"
        }
      ],
      "subject": "Test message",
      "text": "Hello from myself!",
      "html": "<p>Hello from myself!</p>"
    }'

https://emailengine.app/sending-emails

邮箱的 POP、SMTP、IMAP 服务器地址设置

1. 如何查询某个邮箱的发送邮件服务器地址和端口
2. 如何查询某个邮箱的接收邮件服务器地址和端口

POP3/SMTP/IMAP服务能让你在本地客户端上收发邮件

https://mail.163.com/js6/main.jsp

客户端协议

如何开启客户端协议？
什么是POP3、SMTP及IMAP？
IMAP和POP3有什么区别?
Oauth2.0 授权码超过限制怎么办？

https://help.mail.163.com/faq.do?m=list&categoryID=90

什么是 SMTP 认证?
SMTP 的全称是“Simple Mail Transfer Protocol”，即简单邮件传输协议。它是一组用于从源地址到目的地址传输邮件的规范，通过它来控制邮件的中转方式。SMTP 协议属于 TCP/IP 协议簇，它帮助每台计算机在发送或中转信件时找到下一个目的地。SMTP 服务器就是遵循 SMTP 协议的发送邮件服务器。
SMTP 认证，简单地说就是要求必须在提供了账户名和密码之后才可以登录 SMTP 服务器，这就使得那些垃圾邮件的散播者无可乘之机。
增加 SMTP 认证的目的是为了使用户避免受到垃圾邮件的侵扰。

https://mail.163.com/mailhelp/client.htm

https://qiye.163.com/help/client-profile.html

163 邮箱 host port

接收 pop / imap

接收邮件服务器: http://pop.163.com
接收端口: 110 / 995 (使用 SSL 时)

接收邮件服务器: http://imap.163.com
接收端口: 143 / 993 (使用 SSL 时)

发送 smtp

发送邮件服务器: http://smtp.163.com
发送端口: 25 / 465 / 994 (使用 SSL 时)

Cloudflare Email Routing

电子邮件路由

创建自定义电子邮件地址，在您不希望共享主要电子邮件地址时使用。

https://dash.cloudflare.com/

https://developers.cloudflare.com/email-routing/

free email

https://forwardemail.net/zh/private-business-email?pricing=true

refs

https://zhuanlan.zhihu.com/p/618281679

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