PHP form error

<?php

// Email recipient
$EmailTo = "kayla.pasciullo@hotmail.com";

$errors = "";

// Name
if (empty($_POST["name"])) {
    $errors = "Name is required ";
} else {
    $name = $_POST["name"];
}

// Email
if (empty($_POST["email"])) {
    $errors .= "Email is required ";
} else {
    $email = $_POST["email"];
}

// Subject
if (empty($_POST["subject"])) {
    $errors = "Subject is required ";
} else {
    $Subject = $_POST["subject"];
}

// Message
if (empty($_POST["message"])) {
    $errors .= "Message is required ";
} else {
    $message = $_POST["message"];
}

// Prepare email body text
$Body = "";
$Body .= "Name: ";
$Body .= $name;
$Body .= "\n";
$Body .= "Email: ";
$Body .= $email;
$Body .= "\n";
$Body .= "Message: ";
$Body .= $message;
$Body .= "\n";

// Send email
$success = mail($EmailTo, $Subject, $Body, "From:".$email);

// Redirect to success page
if ($success && $errors == ""){
   echo 'success';
}
else{
    echo $errors;
}
?>

HTML 

 <form class="contact-form" id="contact-form" action="contact.php">
                    <h4 class="content-title">Message Me</h4>
                    <div class="row">
                      <div class="col-12 col-md-6 form-group"><input class="form-control" id="contact-name" type="text" name="name" placeholder="Name" required=""></div>
                      <div class="col-12 col-md-6 form-group"><input class="form-control" id="contact-email" type="email" name="email" placeholder="Email" required=""></div>
                      <div class="col-12 form-group"><input class="form-control" id="contact-subject" type="text" name="subject" placeholder="Subject" required=""></div>
                      <div class="col-12 form-group form-message"><textarea class="form-control" id="contact-message" name="message" placeholder="Message" rows="5" required=""></textarea></div>
                      <div class="col-12 form-submit"><button class="btn button-main button-scheme" id="contact-submit" type="submit">Send Message</button>
                        <p class="contact-feedback"></p>
                      </div>
                    </div>
                  </form>
'''