php联系表格不发送电子邮件

Question

I have a contact.HTML file with follow code:

<div>
    <form id="email-form" name="email-form" action="mail.php" data-name="Email Form">
        <input class="w-input text-field" id="name" type="text" placeholder="Enter your full name" name="name">
        <input class="w-input text-field" id="email" type="email" name="email" placeholder="Enter your email address">
        <input class="w-input text-field" id="phone" type="text" name="phone" placeholder="Enter your telephone number">
        <textarea class="w-input text-area" id="text-area" name="message" required placeholder="Your message here..."></textarea>
        <div class="div-spc">
            <button class="w-button button no-margin" type="submit">Submit Message</button>
        </div>
    </form>
  <div id="result"></div>
</div>

and a file mail.php with follow code:

<?php    
define( "RECIPIENT_NAME", "Site name" );
define( "RECIPIENT_EMAIL", "xxx@domainame.com" );

$success = false;
$senderName = isset( $_POST['name'] ) ? preg_replace( "/[^\.\-\' a-zA-Z0-9]/", "", $_POST['name'] ) : "";
$senderEmail = isset( $_POST['email'] ) ? preg_replace( "/[^\.\-\_\@a-zA-Z0-9]/", "", $_POST['email'] ) : "";
$phone = isset( $_POST['phone'] ) ? preg_replace( "/[^\.\-\' a-zA-Z0-9]/", "", $_POST['phone'] ) : "";
$message = isset( $_POST['message'] ) ? preg_replace( "/(From:|To:|BCC:|CC:|Subject:|Content-Type:)/", "", $_POST['message'] ) : "";

if ( $senderName && $senderEmail && $message ) {
  $recipient = RECIPIENT_NAME . " <" . RECIPIENT_EMAIL . ">";
  $headers = "From: " . $senderName . " <" . $senderEmail . ">";
  $success = mail( $recipient, $message, $headers );
  echo "<p class='success'>Mail Sent!</p>";
}    
?>

The form doesn't work... and I have message email sent on my page on the browser. Anyone can help me?

Answer 1

Mail sending needs SMTP settings. Please check them correctly.

Also, your code checks if form variables are posted or not.

It does not check whether the mail is sent or not.

Change your code to:

$recipient = RECIPIENT_NAME . " <" . RECIPIENT_EMAIL . ">";
$headers = "From: " . $senderName . " <" . $senderEmail . ">";
$success = mail( $recipient, $message, $headers );
if ($success) {
 echo "<p class='success'>Mail Sent!</p>";
}