/** * SMTP RCPT TO * SUCCESS 250 * @return $this * @throws Exception * @throws Exception */ protected function rcptTo() { foreach ($this->message->getTo() as $toEmail) { $in = "RCPT TO:<" . $toEmail . ">" . $this->CRLF; $code = $this->pushStack($in); if ($code !== '250') { throw new Exception('250' . $code . ']' . array_pop($this->resultStack)); } } return $this; }