Не работает отправка формы на почту

$(document).ready(function() {
 
    $('[name=phone]').bind("change keyup input click", function() {
        if (this.value.match(/[^0-9+]/)) {
        this.value = this.value.replace(/[^0-9+]/, '');
        }
        });
        $('[name=name]').on('keypress', function() {
            var that = this;
            setTimeout(function() {
                var res = /[^A-Za-zА-Яа-яЁё ]/g.exec(that.value);
                that.value = that.value.replace(res, '');
            }, 0);
        });
       $('button').attr('type', 'button');
});

$('.button-submit-feed').click(function(){

    var form = $(this).parents('form:first');
    var name = $("input[name='name']",form).val();
    var phone = $("input[name='phone']",form).val();
    var email = $("input[name='email']",form).val();
    var comment = $("textarea[name='comment']",form).val();
    var error = [];
    var pattern = /^([a-z0-9_\.-])+@[a-z0-9-]+\.([a-z]{2,4}\.)?[a-z]{2,4}$/i;
    
    if (name == "") {
       error.push('Введите имя ');
    }
    if (phone == "") {
        error.push('Введите телефон ');
    }
    if(!pattern.test(email) && email != ""){
        error.push('Email введен некорректно ');
    } 
    if (error.length == 0) {
        swal('Успешно отправлено!');
    var seconds = 10,
    int;
    int = setInterval(function() {
    if (seconds > 0) {
    seconds--; 
    $('.button-submit-feed').text(seconds); 
    $('.button-submit-feed').css('opacity','0.5');
    $('.button-submit-feed').attr('disabled', true);
    } else {
    clearInterval(int); 
    $('.button-submit-feed').text('').append('Отправить <span class="arrow-right"><span class="dots dots--right"><span class="dot dot--right-1"></span><span class="dot dot--right-2"></span><span class="dot dot--right-3"></span></span><span class="arrow-right__angle"><span class="angle angle--right"></span></span></span>');
    $('.button-submit-feed').css('opacity','1');
    $('.button-submit-feed').attr('disabled', false);
    }
    }, 1000);
    }
    else {
            swal(error.join ('\n'));
            return false;
    }
    
    
    $.ajax({
        url: 'mailPost.php',
        type: 'POST',
        cache: 'false',
        data: {'name': name, 'phone': phone, 'email': email, 'comment': comment},
        dataType: 'html',
        beforeSend: function() {
        },
        success: function(data) {
            if (!data) {
                swal('Были ошибки!');
            }
            else {
                $("input[name='name']",form).val('').blur();
                $("input[name='phone']",form).val('').blur();
                $("input[name='email']",form).val('').blur();
                $("textarea[name='comment']",form).val('').blur();
            }
        }
    
    });
    });

<?php 

$name = $_POST['name'];
$phone = $_POST['phone'];
$email = $_POST['email'];
$comment = $_POST['comment'];


$subject = "=?utf-8?B?".base64_encode('Сообщение с сайта')."?="; 

$message = 'Имя: '.$name.'<br>'.'Телефон: '.$phone.'<br>'.'Коммент: '.$comment.'<br>'.'Email: '.$email;

$headers = "From: $email\r\nReply-To: $email\r\nContent-type: text/html; charset=utf-8\r\n"; 

$success = mail('[email protected]', $subject, $message, $headers); 
echo $success;
?>

<div class="feedback-modal feedback-modal-anim">
    <form novalidate="" method="post" class="main-form form-with-price ajax_form" id="new-home-order-form">
        <div class="close-button-feedback"></div>
        <div class="big-headline-feed">ОБСУДИТЬ ПРОЕКТ</div>
        <div class="sub-headline-feed">Крутые проекты начинаются с заполнения этой формы</div>
        <input type="hidden" name="someinfo" value="">
        <input type="hidden" name="titlepage" value="Создание сайтов">
        <input type="hidden" name="form-name" value="Обсудить проект">
        <input type="hidden" name="require" value="">
        <input type="hidden" name="someinfo" value="">
        <div class="feedback-container">
            <div class="left-block-feedback">
                <div class="input-container">
                    <input type="text" id="form-name" required name="name">
                    <span class="bar"></span>
                    <label for="form-name">Имя</label>
                </div>
                <div class="input-container">
                    <input type="text" id="order-phone" name="phone" value="" class="" required="">
                    <span class="bar"></span>
                    <label for="order-phone">Телефон </label>
                </div>
                <div class="input-container">
                    <input type="email" id="order-email" name="email" value="" class="" required="">
                    <span class="bar"></span> <label for="order-email">Email</label>
                </div>
            </div>
            <div class="right-block-feedback">
                <div class="right-block-feed-container">
                    <textarea placeholder="Расскажите о своей идее" name="comment" id="area" class="feedback-textarea"></textarea>
                </div>
            </div>
        </div>
        <div class="submit-btn-container">
            <button class="button-submit-feed" value="Отправить" name="home-order-form">Отправить
                <span class="arrow-right">
                    <span class="dots dots--right">
                        <span class="dot dot--right-1"></span>
                        <span class="dot dot--right-2"></span>
                        <span class="dot dot--right-3"></span>
                    </span>
                    <span class="arrow-right__angle">
                        <span class="angle angle--right"></span>
                    </span>
                </span>
            </button>
        </div>
        <input type="hidden" name="af_action" value="cc92caf512162013ffd61a5244d2d780">
    </form>
</div>