[TOC] > [github](https://github.com/PHPMailer/PHPMailer) ## PHPMailer * 集成 SMTP 支持 – 无需本地邮件服务器即可发送 * 发送具有多个收件人、抄送、密送和回复地址的电子邮件 * 适用于无法读取 HTML 邮件的邮件客户端的多部分/替代电子邮件 * 添加附件，包括内联附件 * 支持 UTF-8 内容和 8bit、base64、二进制和 quoted-printable 编码 * 通过 SMTPS 和 SMTP+STARTTLS 传输使用 LOGIN、PLAIN、CRAM-MD5 和 XOAUTH2 机制进行 SMTP 身份验证 * 自动验证电子邮件地址 * 防止标头注入攻击 * 超过 50 种语言的错误信息！ * DKIM 和 S/MIME 签名支持 * 兼容 PHP 5.5 及更高版本，包括 PHP 8.2 * 命名空间以防止名称冲突 ## 示例 ``` <?php //Import PHPMailer classes into the global namespace //These must be at the top of your script, not inside a function use PHPMailer\PHPMailer\PHPMailer; use PHPMailer\PHPMailer\SMTP; use PHPMailer\PHPMailer\Exception; //Load Composer's autoloader require 'vendor/autoload.php'; //Create an instance; passing `true` enables exceptions $mail = new PHPMailer(true); try { //Server settings $mail->SMTPDebug = SMTP::DEBUG_SERVER; //Enable verbose debug output $mail->isSMTP(); //Send using SMTP $mail->Host = 'smtp.example.com'; //Set the SMTP server to send through $mail->SMTPAuth = true; //Enable SMTP authentication $mail->Username = 'user@example.com'; //SMTP username $mail->Password = 'secret'; //SMTP password $mail->SMTPSecure = PHPMailer::ENCRYPTION_SMTPS; //Enable implicit TLS encryption $mail->Port = 465; //TCP port to connect to; use 587 if you have set `SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS` //Recipients $mail->setFrom('from@example.com', 'Mailer'); $mail->addAddress('joe@example.net', 'Joe User'); //Add a recipient $mail->addAddress('ellen@example.com'); //Name is optional $mail->addReplyTo('info@example.com', 'Information'); $mail->addCC('cc@example.com'); $mail->addBCC('bcc@example.com'); //Attachments $mail->addAttachment('/var/tmp/file.tar.gz'); //Add attachments $mail->addAttachment('/tmp/image.jpg', 'new.jpg'); //Optional name //Content $mail->isHTML(true); //Set email format to HTML $mail->Subject = 'Here is the subject'; $mail->Body = 'This is the HTML message body <b>in bold!</b>'; $mail->AltBody = 'This is the body in plain text for non-HTML mail clients'; $mail->send(); echo 'Message has been sent'; } catch (Exception $e) { echo "Message could not be sent. Mailer Error: {$mail->ErrorInfo}"; } ```