PHP命令怎么实现邮件发送_PHP命令行邮件发送与SMTP配置

<?php
$to = 'recipient@example.com';
$subject = '测试命令行邮件';
$message = '这是一封通过PHP命令行发送的邮件。';
$headers = 'From: sender@example.com' . "\r\n" .
           'Reply-To: sender@example.com' . "\r\n" .
           'X-Mailer: PHP/' . phpversion();
<p>if (mail($to, $subject, $message, $headers)) {
echo "邮件发送成功\n";
} else {
echo "邮件发送失败\n";
}
?>

php send_mail.php

composer require phpmailer/phpmailer

<?php
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;
<p>require 'vendor/autoload.php';</p><p>$mail = new PHPMailer(true);</p>
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                <p>try {
// 使用SMTP
$mail->isSMTP();
$mail->Host       = 'smtp.example.com';      // SMTP服务器
$mail->SMTPAuth   = true;
$mail->Username   = 'your_email@example.com'; // 登录账号
$mail->Password   = 'your_password';          // 授权码或密码
$mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;
$mail->Port       = 587;</p><pre class="brush:php;toolbar:false;"><pre class="brush:php;toolbar:false;">$mail->setFrom('from@example.com', '发件人');
$mail->addAddress('to@example.com', '收件人');

$mail->isHTML(false);
$mail->Subject = '命令行SMTP邮件';
$mail->Body    = '这是一封通过PHP命令行发送的SMTP邮件。';

$mail->send();
echo "邮件已发送\n";

php send_smtp.php

SMTP = smtp.example.com
smtp_port = 587
sendmail_from = sender@example.com

0 9 * * * /usr/bin/php /path/to/send_mail.php