问绕过Gmail的垃圾邮件过滤器(从共享主机用PHP发送的邮件)

EN

function sendMailEt($toEmail, $toName, $invoiceNumber){

require_once('includes/lib/swift_required.php');

$transport = Swift_SmtpTransport::newInstance('mailout.one.com', 25)
  ->setUsername('EMAIL-ACCOUNT1@THE-DOMAIN.DK')
  ->setPassword('THE-PASSWORD')
  ;    

$mailer = Swift_Mailer::newInstance($transport);

$message = Swift_Message::newInstance('FROM COMPANY')
      ->setSubject('Thanks for signing up - COMPANY')
  ->setFrom(array('EMAIL-ACCOUNT1@THE-DOMAIN.DK' => 'Company name'))
  ->setTo(array($toEmail => $toName))
      ->setBody('A brief body, that explains that this is an invoice and that it has to be paid within 5 days. (written in danish)')
      ->addPart('A brief body, that explains that this is an invoice and that it has to be paid within 5 days. (written in danish)', 'text/html')

   ->attach(Swift_Attachment::fromPath('/URL-TO-THE-PDF-FILE.pdf'))
  ;

$result = $mailer->send($message);
}

 $headers = "Reply-To: Company name <UNUSED-EMAIL-ACCOUNT-FROM-DOMAIN@DOMAIN-NAME.DK>\r\n"; 
 $headers .= "Return-Path: Company name <UNUSED-EMAIL-ACCOUNT-FROM-DOMAIN@DOMAIN-NAME.DK>\r\n"; 
 $headers .= "From: Message from Company name <UNUSED-EMAIL-ACCOUNT-FROM-DOMAIN@DOMAIN-NAME.DK>\r\n"; 
 $headers .= "MIME-Version: 1.0\r\n";
 $headers .= "Sender: Message from Company name <UNUSED-EMAIL-ACCOUNT-FROM-DOMAIN@DOMAIN-NAME.DK>\r\n";
 $headers .= "Content-type: text/plain; charset=\"utf-8\"; \r\n";
 $headers .= "X-Mailer: PHP". phpversion() ."\r\n";

mail($toName . '<'.$toEmail.'>', utf8_decode('Faktura på depositumet'), utf8_decode($someMessage), $headers);

Delivered-To: NEWLY-CREATED-GMAIL-ACCOUNT@gmail.com
Received: by 10.76.75.104 with SMTP id b8csp48728oaw;
        Sat, 16 Mar 2013 17:32:56 -0700 (PDT)
X-Received: by 10.152.116.45 with SMTP id jt13mr7897860lab.0.1363480376067;
        Sat, 16 Mar 2013 17:32:56 -0700 (PDT)
Return-Path: <XXX111@DOMAIN-NAME.dk>
Received: from mail-out2.b-one.net (mail-out2.one.com. [91.198.169.19])
        by mx.google.com with ESMTP id p10si4637427lbb.120.2013.03.16.17.32.55;
        Sat, 16 Mar 2013 17:32:55 -0700 (PDT)
Received-SPF: neutral (google.com: 91.198.169.19 is neither permitted nor denied by best guess record for domain of XXX111@DOMAIN-NAME.dk) client-ip=91.198.169.19;
Authentication-Results: mx.google.com;
       spf=neutral (google.com: 91.198.169.19 is neither permitted nor denied by best guess record for domain of XXX111@DOMAIN-NAME.dk) smtp.mail=XXX111@DOMAIN-NAME.dk
Date: Sat, 16 Mar 2013 17:32:55 -0700 (PDT)
Message-Id: <51450f37.6a0b700a.6239.5dbcSMTPIN_ADDED_MISSING@mx.google.com>
Received: from localhost.localdomain (srv18.one.com [193.202.110.18])
    by mail-out2.b-one.net (Postfix) with ESMTP id F3D0B10365
    for <NEWLY-CREATED-GMAIL-ACCOUNT@gmail.com>; Sun, 17 Mar 2013 01:32:53 +0100 (CET)
Received: from 85.218.159.219 by www.DOMAIN-NAME.dk via URL_TO_THE_SCRIPT.php with HTTP; Sun, 17 Mar 2013 00:32:53 +0000
To: RECIEVERS_NAME <NEWLY-CREATED-GMAIL-ACCOUNT@gmail.com>
Subject: EMAIL-SUBJECT
X-PHP-Originating-Script: 87486:NAME-OF-THE-SCRIPT-THE-E-MAIL-WAS-SENT-FROM.php
Reply-To: COMPANY NAME <XXX111@DOMAIN-NAME.dk>
From: Besked fra COMPANY NAME <XXX111@DOMAIN-NAME.dk>
MIME-Version: 1.0
Sender: Besked fra COMPANY NAME <XXX111@DOMAIN-NAME.dk>
Content-type: text/plain; charset="utf-8"; 
X-Mailer: PHP5.3.21