PHP development: Use PHPMailer to send emails

With the development of the Internet, email has become more and more an indispensable part of people's daily lives. In website development, sometimes it is necessary to use email services to send email notifications. This article will introduce how to use PHPMailer to send emails.

PHPMailer is an email sending class library written in PHP language. It can easily send emails through SMTP protocol, sendmail or PHP's mail() function, and also provides a variety of email templates and attachment sending. Function.

First, we need to download and import the PHPMailer class library. You can download the latest version at https://github.com/PHPMailer/PHPMailer. After unzipping, copy the PHPMailer folder to the project and introduce the class file when needed.

Then, you can start configuring the email sending parameters. Let’s look at a basic example first:

<?php
require 'PHPMailer/PHPMailer.php';
$mail = new PHPMailer;
$mail->isSMTP();                                      // 使用SMTP协议发送邮件
$mail->Host = 'smtp.exmail.qq.com';                   // SMTP服务器
$mail->SMTPAuth = true;                               // 开启SMTP身份验证
$mail->Username = 'yourname@example.com';             // SMTP服务器用户名
$mail->Password = 'yourpassword';                     // SMTP服务器密码
$mail->SMTPSecure = 'ssl';                            // 启用ssl加密，也可以使用tls
$mail->Port = 465;                                    // SMTP服务器端口号
$mail->CharSet = 'UTF-8';                             // 字符集
$mail->setFrom('yourname@example.com', 'Your Name');  // 发件人姓名和邮箱
$mail->addAddress('recipient@example.com', 'Recipient Name'); // 收件人姓名和邮箱
$mail->Subject = '邮件主题';                           // 邮件主题
$mail->Body    = '邮件内容';                           // 邮件内容
if(!$mail->send()) {                                  // 发送邮件
    echo '邮件发送失败';
    echo '错误信息: ' . $mail->ErrorInfo;
} else {
    echo '邮件发送成功';
}

In the above code, we use the SMTP protocol to send emails and set the relevant parameters of the SMTP server, including SMTP server address, SMTP authentication, SMTP server user name and Password, enable SSL encryption, and SMTP server port number. Next, set the name and email address of the sender and recipient, the subject and content of the email, and send the email through the $mail->send() method.

In addition to basic email sending parameter settings, PHPMailer also provides many useful functions. For example, you can set the priority of the email, set multiple recipients, set CC and BCC, etc.

In addition, PHPMailer also supports the insertion of email templates, and you can choose different templates to send emails with different contents. You can also add attachments, send just plain text or HTML, and more.

Summary: Using PHPMailer to send emails is very convenient and powerful. By simply configuring parameters, you can easily send emails.

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