I want to send HTML emails from my site, but Outlook is flagging them as spam

问题

How to get Outlook to approve my email and not treat it as spam?

I read it's something to do with the headers; here is my email headers.

To: <info@cash-access.com>
Subject: -----SPAM----- Your Pension Backed Loan Enquiry
From: <info@cash-access.com>
Content-Type: text/html
CC: <stevewolfe71@gmail.com>
Message-ID: <20111125121640.21D2A1F609@linweb04.linvh1.fasthosts.co.uk>
Date: Fri, 25 Nov 2011 12:16:40 +0000
MIME-Version: 1.0

And here is my php code.

$id = $_GET['id'];
$date = date('y-m-d h:i:s');


$recipient = $_GET['email'];
$lname = $_GET['lname'];
$fname = $_GET['fname'];
$title = $_GET['title'];

    $to = $recipient; 
    $from = "info@cash-access.com"; 
    $subject = "Your Pension Backed Loan Enquiry"; 

    $message = '
<p>Dear '.$title.' '.$fname.' '.$lname.'<u></u><u></u></p>
<p><u></u></p>
<p>We have received your enquiry from Pension Backed Loans and we will be in contact with you to discuss your requirements alternatively you can call us on 01202 763339.<u></u><u></u></p>
<p><u></u> <u></u></p>
<p>Yours sincerely<u></u><u></u></p>
<p><strong>Joanne Hearn<u></u><u></u></strong></p>
<p>Cash Access<u></u><u></u></p>
<p>7a Milburn Road<u></u><u></u></p>
<p>Westbourne<u></u><u></u></p>
<p>Bournemouth<u></u><u></u></p>
<p>Dorset BH4 9HJ<u></u><u></u></p>
<p><u></u> <u></u></p>
<p>t: <a href="tel:%2B44%280%291202%20763339" value="+441202763339" target="_blank">+44(0)1202 763339</a><u></u><u></u></p>
<p>e: <a href="mailto:info@cash-access.com" target="_blank">info@cash-access.com</a><u></u><u></u></p>
<p>w: <a href="http://www.cash-access.com/" target="_blank">www.cash-access.com</a><u></u><u></u></p>
<p><u></u> <img src="http://cash-access.com/crm/logo.png" width="288" height="72" /></p>
'; 
    $headers  = "From: $from\r\n"; 
    $headers .= "Content-type: text/html\r\n"; 

    $headers .= "Cc: stevewolfe71@gmail.com"; 

    mail($to, $subject, $message, $headers);

回答1:

It is not Outlook but the spam filter of livemail.co.uk that flags your message as spam.

And it tells you why:

3.0 FH_FROM_CASH From name has "cash"

Obviously cannot be fixed.

2.6 HTML_IMAGE_ONLY_12 BODY: HTML: images with 800-1200 bytes of words

Either remove the image or increase the word count.

0.0 HTML_MESSAGE BODY: HTML included in message

No impact. No need to get fixed.

2.3 MIME_HTML_ONLY BODY: Message only has text/html MIME parts

You should always send multipart messages (containg a non-HTML version). Here is a tutorial.

1.0 MIME_HEADER_CTYPE_ONLY 'Content-Type' found without required MIME headers

Should get fixed by sending a proper multipart message.

1.7 HTML_MIME_NO_HTML_TAG HTML-only message, but there is no HTML tag

Add an <html> tag.

The larger the leading number (weight), the bigger the impact.

Depending on the spam filter's configuration, the following may decrease the weight:

Apply for an entry in a whitelist (e.g., dnswl.org).
Add Sender Policy Framework (SPF) records.
Use DomainKey Identified Mail (DKIM).

回答2:

You didn't set MIME type in your header - when sending html emails you must set it like this:

$headers  .= 'MIME-Version: 1.0' . "\r\n";

Also make sure you set reply-to header the same as from header:

$headers  .= 'Reply-To: info@cash-access.com' . "\r\n";

回答3:

Try this:

$headers = "From:".$from . "\r\n";
    $headers .= "Reply-To: some@example.com" . "\r\n";
    $headers .= "MIME-Version: 1.0\r\n";
    $headers .= "Content-Type: text/html; charset=ISO-8859-1\r\n";

回答4:

Take a look at using SPF records in your DNS to verify your email server, this will make the email much more trusted than just looking at it's contents. Some servers (e.g. hotmail) will reject your email straight-up without it.

回答5:

If you're hosting your site on a shared server, then your email won't actually be coming from cash-access.com, but instead from your host's email server, and will be signed as such. Outlook (and email providers, such as Gmail) see that the actual sender doesn't match the from address. You need to update SPF records (you can do this via cPanel, if your host has it installed) to rectify the issue.

回答6:

Words like cash and virus in your content are likely to flag this as spam in outlook.

回答7:

Generally with sending messages you need to send from the same server as the email domain or use an send command that send via the email domains smtp server which is most often the case when using web hotels or if you don't have the email server on the same virtual/physical server. If you don't have a smtp server to send from a free solution is to make a gmail: http://lifehacker.com/111166/how-to-use-gmail-as-your-smtp-server

来源：https://stackoverflow.com/questions/8269067/i-want-to-send-html-emails-from-my-site-but-outlook-is-flagging-them-as-spam

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