PHP SMTP 錯誤：SMTP 服務器響應：530 5.7.0

Question

我收到一個錯誤

警告：mail()：SMTP 服務器響應：530 5.7.0 必須首先發出 STARTTLS 命令。 z10sm5799896oih.1 - C:\\wamp64\\www\\Change.php 中的 gsmtp 第 47 行

我用谷歌搜索過它，找不到任何有幫助的東西。 我不知道接下來要做什么，請幫忙

這是代碼

<?php
// Connect to MySQL
$username = "*****"; 
$password = "*****"; 
$host = "*********"; 
$dbname = "*****"; 
try {
$conn = new PDO("mysql:host={$host};dbname={$dbname};charset=utf8", $username, $password);
}
catch(PDOException $ex) 
{ 
    $msg = "Failed to connect to the database"; 
} 

// Was the form submitted?
if (isset($_POST["ForgotPassword"])) {

// Harvest submitted e-mail address
if (filter_var($_POST["email"], FILTER_VALIDATE_EMAIL)) {
    $email = $_POST["email"];

}else{
    echo "email is not valid";
    exit;
}

// Check to see if a user exists with this e-mail
$query = $conn->prepare('SELECT email FROM user WHERE email = :email');
$query->bindParam(':email', $email);
$query->execute();
$userExists = $query->fetch(PDO::FETCH_ASSOC);
$conn = null;

if ($userExists["email"])
{
    // Create a unique salt. This will never leave PHP unencrypted.
    $salt = "498#2D83B631%3800EBD!801600D*7E3CC13";

    // Create the unique user password reset key
    $password = hash('sha512', $salt.$userExists["email"]);

    // Create a url which we will direct them to reset their password
    $pwrurl = "www.yoursitehere.com/reset_password.php?q=".$password;

    // Mail them their key
    $mailbody = "Dear user,\n\nIf this e-mail does not apply to you please ignore it. It appears that 
 you have requested a password reset at our website www.*****.com\n\nTo reset your password, please 
click the link below. If you cannot click it, please paste it into your web browser's address 
bar.\n\n" . $pwrurl . "\n\nThanks,\nThe Administration";



 **This is where the error is**
    mail($userExists["email"], "www.*****.com - Password Reset", $mailbody);





    echo "Your password recovery key has been sent to your e-mail address.";

}
else
    echo "No user with that e-mail address exists.";
}
?>

Answer 1

1. 嘗試telnet使用telnet 命令可以實際測試端口是否打開。

嘗試這個：

//Type the following command to see if Port 25 is blocked on your network. 
telnet pepipost.com 25

如果端口 25 未被阻止，您將收到成功的 220 響應（文本可能會有所不同）。

Trying 202.162.247.93... 
Connected to pepipost.com. 
Escape character is '^]'. 
220 pepipost.com ESMTP Postfix

如果端口 25 被阻止，您將收到連接錯誤或根本沒有響應。

Trying 202.162.247.93...
telnet: connect to address 202.162.247.93: Connection refused
telnet: Unable to connect to remote host

2.使用outPorts
outPorts是 GitHub 上一個非常好的開源軟件，它會掃描您所有的端口並給出結果。 安裝 outPorts 后，您可以在終端中鍵入以下命令來檢查端口 25 的連接性：outPorts 25