How to build a mailbox in nodejs

Node.js is a very popular technology in web development currently. It has the advantages of high performance and high concurrency, and has also attracted the attention of many developers. Among them, the email function of Node.js is very important in practical applications. This article will introduce how to use Node.js to build your own mailbox.

1. Installing Node.js
   Node.js can be downloaded to the latest version from the official website. The installation is very simple, just follow the official instructions.
2. New project folder
   Create a new project folder on the local computer. I will name it "nodejs-email". Enter the folder and create a blank index.js file.
3. Install nodemailer
   In this project folder, open the command line tool and run the following statement to install nodemailer:

npm install nodemailer

4. Write the email sending code
   Next, we write the email sending code in the index.js file. You need to introduce the nodemailer package into the code and set the relevant information for sending emails, as follows:

const nodemailer = require('nodemailer');

// 发送邮件的邮箱信息配置
const transporter = nodemailer.createTransport({
    host: 'smtp.ethereal.email',
    port: 587,
    secure: false, // 安全连接 false
    auth: {
        user: '<your-email-address-here>',
        pass: '<your-email-password-here>'
    }
});

// 邮件发送选项配置
const mailOptions = {
    from: '<your-email-address-here>',
    to: '<receiver-email-address-here>',
    subject: 'Node.js 邮件测试',
    text: '这是一封来自 Node.js 的邮件测试。'
};

// 发送邮件
transporter.sendMail(mailOptions, (error, info) => {
    if (error) {
        console.log(error.message);
    } else {
        console.log('邮件已经成功发送给：' + info.response);
    }
});

In the above code, we first create a mailbox information configuration for sending emails, where host represents the mail server The address, port represents the port, secure represents whether the connection is secure, and auth is the authentication information. You need to fill in the email address and password for sending the email.

Next, we set the email information to be sent through mailOptions configuration, including sender address, recipient address, email subject, email content, etc.

Finally, we call the sendMail method of the transporter, passing mailOptions as parameters to send the email. If the email is sent successfully, the console will output the sentence "The email has been successfully sent to: XXX".

5. Test email sending
   We can start the email sending function by running the index.js file through the command line tool in the project folder. If the console shows that the message was sent successfully, it means that we have successfully sent a test email using Node.js.

Summary
This article introduces the process of building a mailbox using Node.js, which mainly includes installing Node.js, creating a new project folder, installing the nodemailer package, writing email sending code and testing email sending, etc. . Node.js has a powerful email sending function, and the nodemailer package can quickly and easily implement email sending. I hope this article can be helpful to Node.js developers.

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