Code example for PHP to implement SMTP email sending

When you are still struggling with the fact that PHP's built-in mail() function cannot send emails, then you are very lucky. This article can help you!

What this article brings to you is a code example for PHP to implement SMTP email sending. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

php uses the smtp class to send emails. It has been tried and tested. I have used it for a long time and basically there has been no problem. In the background of this blog, when the blogger replies to a message, an email with a new reply prompt will be automatically sent to the netizen, which is also implemented using the method in this article.

The method of sending emails using the smtp class is actually very simple and stable. The class has been written by others, and you only need to call it. You can send emails with just a few lines of php source code and simple configuration. Are you looking forward to giving it a try?

<?php
  
/**
 * @param $address mixed 收件人 多个收件人/或需要设置收件人昵称时为数组 array($address1,$address1)/array(array(&#39;address&#39;=>$address1,&#39;nickname&#39;=>$nickname1),array(&#39;address&#39;=>$address2,&#39;nickname&#39;=>$nickname2))
 * @param $subject string 邮件主题
 * @param $body string 邮件内容
 * @param $file string 附件
 * @return bool|string 发送成功返回true 反之返回报错信息
 * @throws Exception
 */
function send_mail_by_smtp($address, $subject, $body, $file = &#39;&#39;)
{
 require(&#39;./PHPMailer-master/Exception.php&#39;);
 require(&#39;./PHPMailer-master/PHPMailer.php&#39;);
 require(&#39;./PHPMailer-master/SMTP.php&#39;);
  
 //date_default_timezone_set("Asia/Shanghai");//设定时区东八区
  
 $mail = new PHPMailer();
  
 //Server settings
 $mail->SMTPDebug = 2;
 $mail->isSMTP();     // 使用SMTP方式发送
 $mail->Host = &#39;smtp.126.com&#39;;    // SMTP邮箱域名
 $mail->SMTPAuth = true;    // 启用SMTP验证功能
 $mail->Username = "*****@126.com";   // 邮箱用户名(完整email地址)
 $mail->Password = "*****";    // smtp授权码，非邮箱登录密码
 $mail->Port = 25;
 $mail->CharSet = "utf-8";    //设置字符集编码 "GB2312"
  
 // 设置发件人信息，显示为 你看我那里像好人(xxxx@126.com)
 $mail->setFrom($mail->Username, &#39;你看我那里像好人&#39;);
  
 //设置收件人 参数1为收件人邮箱 参数2为该收件人设置的昵称 添加多个收件人 多次调用即可
 //$mail->addAddress(&#39;********@163.com&#39;, &#39;你看我那里像好人&#39;);
  
 if (is_array($address)) {
 foreach ($address as $item) {
 if (is_array($item)) {
 $mail->addAddress($item[&#39;address&#39;], $item[&#39;nickname&#39;]);
 } else {
 $mail->addAddress($item);
 }
 }
 } else {
 $mail->addAddress($address, &#39;adsf&#39;);
 }
  
  
 //设置回复人 参数1为回复人邮箱 参数2为该回复人设置的昵称
 //$mail->addReplyTo(&#39;*****@126.com&#39;, &#39;Information&#39;);
  
 if ($file !== &#39;&#39;) $mail->AddAttachment($file); // 添加附件
  
 $mail->isHTML(true); //邮件正文是否为html编码 true或false
 $mail->Subject = $subject; //邮件主题
 $mail->Body = $body;  //邮件正文 若isHTML设置成了true，则可以是完整的html字符串 如：使用file_get_contents函数读取的html文件
 //$mail->AltBody = &#39;This is the body in plain text for non-HTML mail clients&#39;; //附加信息，可以省略
  
 return $mail->Send() ? true : &#39;ErrorInfo:&#39; . $mail->ErrorInfo;
}
  
$path = &#39;.\wpic907.jpg&#39;;
$ret = send_mail_by_smtp(&#39;*******@163.com&#39;, &#39;PHPMailer邮件标题&#39;, &#39;PHPMailer邮件内容&#39;, $path);

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