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Sending HTML email with PHP

7:00 AM 0
It turns out the key is the encoding type. Instead of:

Content-Type: text/plain; charset="iso-8859-1"
I needed to use:

Content-Type: text/plain; charset=us-ascii
It might depend on stuff as detailed as how you save the PHP file in your own text editor. I haven't looked into it, but the iconv function in PHP may have brought me some joy too. So I think this part is really sensitive.

Here is a better snippet of sample code that shows the whole thing end-to-end:

$notice_text = "This is a multi-part message in MIME format.";
$plain_text = "This is a plain text email.\r\nIt is very cool.";
$html_text = "<html><body>This is an <b style='color:purple'>HTML</b> text email.\r\nIt is very cool.</body></html>";

$semi_rand = md5(time());
$mime_boundary = "==MULTIPART_BOUNDARY_$semi_rand";
$mime_boundary_header = chr(34) . $mime_boundary . chr(34);

$to = "Me <foo@gmail.com>";
$from = "Me.com <me@me.com>";
$subject = "My Email";

$body = "$notice_text

--$mime_boundary
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

$plain_text

--$mime_boundary
Content-Type: text/html; charset=us-ascii
Content-Transfer-Encoding: 7bit

$html_text

--$mime_boundary--";

if (@mail($to, $subject, $body,
    "From: " . $from . "\n" .
    "MIME-Version: 1.0\n" .
    "Content-Type: multipart/alternative;\n" .
    "     boundary=" . $mime_boundary_header))
    echo "Email sent successfully.";
else
    echo "Email NOT sent successfully!";

exit;



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