ДАННЫЕ Не принимаются с сервера

Я получаю сообщение об ошибке ниже при попытке отправить письмо из моего магазина.

PHP Notice:  Error: DATA not accepted from server! in /var/www/html/system/library/mail.php on line 417


Opencart version - 2.0.3.1
Email Settings:
Protocol : SMTP
Hostname : ssl://smtp.zoho.com
port : 465
Timeout : 15

Исходный код mail.php приведен ниже:

<?php
class Mail {
protected $to;
protected $from;
protected $sender;
protected $replyto;
protected $subject;
protected $text;
protected $html;
protected $attachments = array();
public $protocol = 'mail';
public $smtp_hostname;
public $smtp_username;
public $smtp_password;
public $smtp_port = 25;
public $smtp_timeout = 5;
public $newline = "\n";
public $verp = false;
public $parameter = '';

public function __construct($config = array()) {
foreach ($config as $key => $value) {
if ($value) {
$this->$key = $value;
}
}
}

public function setTo($to) {
$this->to = html_entity_decode($to, ENT_QUOTES, 'UTF-8');
}

public function setFrom($from) {
$this->from = html_entity_decode($from, ENT_QUOTES, 'UTF-8');
}

public function setSender($sender) {
$this->sender = html_entity_decode($sender, ENT_QUOTES, 'UTF-8');
}

public function setReplyTo($reply_to) {
$this->replyto = html_entity_decode($reply_to, ENT_QUOTES, 'UTF-8');
}

public function setSubject($subject) {
$this->subject = html_entity_decode($subject, ENT_QUOTES, 'UTF-8');
}

public function setText($text) {
$this->text = html_entity_decode($text, ENT_QUOTES, 'UTF-8');
}

public function setHtml($html) {
$this->html = html_entity_decode($html, ENT_QUOTES, 'UTF-8');
}

public function addAttachment($filename) {
$this->attachments[] = $filename;
}

public function send() {
if (!$this->to) {
trigger_error('Error: E-Mail to required!');
exit();
}

if (!$this->from) {
trigger_error('Error: E-Mail from required!');
exit();
}

if (!$this->sender) {
trigger_error('Error: E-Mail sender required!');
exit();
}

if (!$this->subject) {
trigger_error('Error: E-Mail subject required!');
exit();
}

if ((!$this->text) && (!$this->html)) {
trigger_error('Error: E-Mail message required!');
exit();
}

if (!$this->replyto) {
$this->setReplyTo($this->sender);
}

if (is_array($this->to)) {
$to = implode(',', $this->to);
} else {
$to = $this->to;
}

$boundary = '----=_NextPart_' . md5(time());

$header = 'MIME-Version: 1.0' . $this->newline;

if ($this->protocol != 'mail') {
$header .= 'To: ' . $to . $this->newline;
$header .= 'Subject: ' . '=?UTF-8?B?' . base64_encode($this->subject) . '?=' . $this->newline;
}

$header .= 'Date: ' . date('D, d M Y H:i:s O') . $this->newline;
$header .= 'From: =?UTF-8?B?' . base64_encode($this->sender) . '?=' . ' <' . $this->from . '>' . $this->newline;
$header .= 'Reply-To: =?UTF-8?B?' . base64_encode($this->replyto) . '?=' . ' <' . $this->from . '>' . $this->newline;
$header .= 'Return-Path: ' . $this->from . $this->newline;
$header .= 'X-Mailer: PHP/' . phpversion() . $this->newline;
$header .= 'Content-Type: multipart/related; boundary="' . $boundary . '"' . $this->newline . $this->newline;

if (!$this->html) {
$message  = '--' . $boundary . $this->newline;
$message .= 'Content-Type: text/plain; charset="utf-8"' . $this->newline;
$message .= 'Content-Transfer-Encoding: 8bit' . $this->newline . $this->newline;
$message .= $this->text . $this->newline;
} else {
$message  = '--' . $boundary . $this->newline;
$message .= 'Content-Type: multipart/alternative; boundary="' . $boundary . '_alt"' . $this->newline . $this->newline;
$message .= '--' . $boundary . '_alt' . $this->newline;
$message .= 'Content-Type: text/plain; charset="utf-8"' . $this->newline;
$message .= 'Content-Transfer-Encoding: 8bit' . $this->newline . $this->newline;

if ($this->text) {
$message .= $this->text . $this->newline;
} else {
$message .= 'This is a HTML email and your email client software does not support HTML email!' . $this->newline;
}

$message .= '--' . $boundary . '_alt' . $this->newline;
$message .= 'Content-Type: text/html; charset="utf-8"' . $this->newline;
$message .= 'Content-Transfer-Encoding: 8bit' . $this->newline . $this->newline;
$message .= $this->html . $this->newline;
$message .= '--' . $boundary . '_alt--' . $this->newline;
}

foreach ($this->attachments as $attachment) {
if (file_exists($attachment)) {
$handle = fopen($attachment, 'r');

$content = fread($handle, filesize($attachment));

fclose($handle);

$message .= '--' . $boundary . $this->newline;
$message .= 'Content-Type: application/octet-stream; name="' . basename($attachment) . '"' . $this->newline;
$message .= 'Content-Transfer-Encoding: base64' . $this->newline;
$message .= 'Content-Disposition: attachment; filename="' . basename($attachment) . '"' . $this->newline;
$message .= 'Content-ID: <' . basename(urlencode($attachment)) . '>' . $this->newline;
$message .= 'X-Attachment-Id: ' . basename(urlencode($attachment)) . $this->newline . $this->newline;
$message .= chunk_split(base64_encode($content));
}
}

$message .= '--' . $boundary . '--' . $this->newline;

if ($this->protocol == 'mail') {
ini_set('sendmail_from', $this->from);

if ($this->parameter) {
mail($to, '=?UTF-8?B?' . base64_encode($this->subject) . '?=', $message, $header, $this->parameter);
} else {
mail($to, '=?UTF-8?B?' . base64_encode($this->subject) . '?=', $message, $header);
}
} elseif ($this->protocol == 'smtp') {
$is_tls = substr($this->smtp_hostname, 0, 3) == 'tls';
$hostname = $is_tls ? substr($this->smtp_hostname, 6) : $this->smtp_hostname;
$handle = fsockopen($hostname, $this->smtp_port, $errno, $errstr, $this->smtp_timeout);

if (!$handle) {
trigger_error('Error: ' . $errstr . ' (' . $errno . ')');
exit();
} else {
if (substr(PHP_OS, 0, 3) != 'WIN') {
socket_set_timeout($handle, $this->smtp_timeout, 0);
}

while ($line = fgets($handle, 515)) {
if (substr($line, 3, 1) == ' ') {
break;
}
}

fputs($handle, 'EHLO ' . getenv('SERVER_NAME') . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 250) {
trigger_error('Error: EHLO not accepted from server!');
exit();
}

if ($is_tls) {
fputs($handle, 'STARTTLS' . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 220) {
trigger_error('Error: STARTTLS not accepted from server!');
exit();
}

stream_socket_enable_crypto($handle, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
}

if (!empty($this->smtp_username)  && !empty($this->smtp_password)) {
fputs($handle, 'EHLO ' . getenv('SERVER_NAME') . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 250) {
trigger_error('Error: EHLO not accepted from server!');
exit();
}

fputs($handle, 'AUTH LOGIN' . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 334) {
trigger_error('Error: AUTH LOGIN not accepted from server!');
exit();
}

fputs($handle, base64_encode($this->smtp_username) . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 334) {
trigger_error('Error: Username not accepted from server!');
exit();
}

fputs($handle, base64_encode($this->smtp_password) . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 235) {
trigger_error('Error: Password not accepted from server!');
exit();
}
} else {
fputs($handle, 'HELO ' . getenv('SERVER_NAME') . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 250) {
trigger_error('Error: HELO not accepted from server!');
exit();
}
}

if ($this->verp) {
fputs($handle, 'MAIL FROM: <' . $this->from . '>XVERP' . "\r\n");
} else {
fputs($handle, 'MAIL FROM: <' . $this->from . '>' . "\r\n");
}

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 250) {
trigger_error('Error: MAIL FROM not accepted from server!');
exit();
}

if (!is_array($this->to)) {
fputs($handle, 'RCPT TO: <' . $this->to . '>' . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if ((substr($reply, 0, 3) != 250) && (substr($reply, 0, 3) != 251)) {
trigger_error('Error: RCPT TO not accepted from server!');
exit();
}
} else {
foreach ($this->to as $recipient) {
fputs($handle, 'RCPT TO: <' . $recipient . '>' . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if ((substr($reply, 0, 3) != 250) && (substr($reply, 0, 3) != 251)) {
trigger_error('Error: RCPT TO not accepted from server!');
exit();
}
}
}

fputs($handle, 'DATA' . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 354) {
trigger_error('Error: DATA not accepted from server!');
exit();
}

// According to rfc 821 we should not send more than 1000 including the CRLF
$message = str_replace("\r\n", "\n", $header . $message);
$message = str_replace("\r", "\n", $message);

$lines = explode("\n", $message);

foreach ($lines as $line) {
$results = str_split($line, 998);

foreach ($results as $result) {
if (substr(PHP_OS, 0, 3) != 'WIN') {
fputs($handle, $result . "\r\n");
} else {
fputs($handle, str_replace("\n", "\r\n", $result) . "\r\n");
}
}
}

fputs($handle, '.' . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 250) {
trigger_error('Error: DATA not accepted from server!');
exit();
}

fputs($handle, 'QUIT' . "\r\n");

$reply = '';

while ($line = fgets($handle, 515)) {
$reply .= $line;

if (substr($line, 3, 1) == ' ') {
break;
}
}

if (substr($reply, 0, 3) != 221) {
trigger_error('Error: QUIT not accepted from server!');
exit();
}

fclose($handle);
}
}
}

}

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