使用php+gmail 发送邮件

 <?php
 namespace app\index\controller;

 use think\Controller;
 use PHPMailer\PHPMailer;

 class Test extends Controller
 {

     public function index2(){

         $mail = new PHPMailer();

         $body = "自定义您的收件箱

 如果您想让某封邮件位于其他类别中，则可以将该邮件移至您所需的类别中。在移动设备上，您甚至可以选择允许哪些类别创建通知。更多自定义提示

 要了解Gmail收件箱的详情，请查看帮助中心或观看此视频";

         $mail->IsSMTP(); // telling the class to use SMTP

         $mail->Host = "mail.gmail.com"; // SMTP server

         $mail->SMTPDebug = 2; // enables SMTP debug information (for testing)

         $mail->SMTPAuth = true; // enable SMTP authentication

         $mail->SMTPSecure = "ssl"; // sets the prefix to the servier

         $mail->Host = "smtp.gmail.com"; // sets GMAIL as the SMTP server

         $mail->Port = 465; // set the SMTP port for the GMAIL server

         $mail->Username = "[e-mail]"; // GMAIL username

         $mail->Password = "password"; // GMAIL password

         $mail->SetFrom('wangdana', 'First Last');

         $mail->AddReplyTo("[e-mail]","First Last");

         $mail->Subject = "PHPMailer Test Subject via smtp (Gmail), basic";

         $mail->AltBody = "To view the message, please use an HTML compatible email viewer!"; // optional, comment out and test

         $mail->MsgHTML($body);

         $mail->CharSet = "utf-8"; // 这里指定字符集！

         $address = "[e-mail]";

         $mail->AddAddress($address, "John Doe");

         if(!$mail->Send()) {

             echo "Mailer Error: " . $mail->ErrorInfo;

         } else {

             echo "Message sent!";

         }

     }

 }

值得注意的是，

首先你的服务器要能链接谷歌，有外网，

第二，谷歌邮箱要开启imap访问，

第三，谷歌账号要开启低安全性应用登陆认证。开启地址：  https://myaccount.google.com/lesssecureapps

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