I have had no success sending multipart/alternative emails with php. I have
tried everyone's various code snippets with no luck. I test the results with
Outlook and Outlook Express. Everytime my boundary tag ends up showing as
part of my message and thus the plain text and html portions show up as one
long blob of unformatted text. Below is the code I am currently using. Any
suggestions would be greatly appreciated.
Thanks,
Dan
The code:
?php
error_reporting(E_ALL);
//FUNCTION future
multipartmailer($to,$from,$subject,$plaintextsource,$htmlsource);
//$boundry=**=-=-=D-=-=-=-MIME-A-Boundry-=-=-N=-=-=-**;
$boundry= ---=.uniqid(MAILDIVIDERS);
//set mime type
$headers=From: Person [EMAIL PROTECTED]\n;
$headers.= MIME-Version: 1.0\n;
$headers.=Content-Type: multipart/alternative;
boundary=\$boundry\\n;
//these files have the raw message content
$plaintext = file(plaintextcontent.txt);
$html = file(htmlcontent.txt);
//warning for non-MIME lovin' clients
$headers .= This message is in MIME format. Since your mail reader does not
understand this format, some or all of this message may not be
legible.\n\r\n\r;
// CHOP
$message .= $boundry.\n;
$message .= Content-Type: text/plain; charset=ISO-8859-1\n;
$message .= Content-Transfer-Encoding: 8bit\n\r;
foreach($plaintext as $line) {
$message .=$line;
}
$message .=\n.$boundry.\n;
$message .= Content-Type: text/html; charset=ISO-8859-1\n;
$message .= Content-Transfer-Encoding: 8bit\n;
foreach($html as $line) {
$message .=$line;
}
$message .=\n.$boundry.\n;
mail([EMAIL PROTECTED],Welcome to the Website,$message,$headers);
print $headers..$message.br;
?
/body
/html
I also had a very hard time sending HTML-formatted email as multipart.
Following are some code samples from what eventually worked for me. I think
you can have lots of variations in the headers without problems, and that
your main problem is how you're using the boundary. VERY IMPORTANT: Note how
I'm adding -- before the boundary when it's used to separate things, and
how the last use of the boundary is followed by another --.
// define a boundary strings to use in multipart email
$OB = =_OuterBoundary_000;
// set multipart/alternative headers
$multiheaders = From: $from_name$from_email\n;
if ($reply_to_email != ) {
$multiheaders .= Reply-To: . $reply_to_name . .
$reply_to_email . \n;
}
$multiheaders .= Return-Path: $from_email\n;
$multiheaders .= X-Mailer: PHP4\n;
$multiheaders .= MIME-Version: 1.0\n;
$multiheaders .= Content-Type: multipart/alternative;\n\tboundary=\ . $OB
. \\n\n;
$multiheaders .= -- . $OB . \n;
$multiheaders .= Content-Type: text/plain; charset=us-ascii\n;
$multiheaders .= Content-Transfer-Encoding: 7bit\n;
$multiheaders .= Content-Disposition: inline\n\n;
My code samples are all chopped up because they're part of a queuing system.
I create a plain text message and an HTML-formatted message and write
everything to a MySQL database. A separate script that's called by a crontab
actually sends the email. (That let's me control frequency and volume.)
After pulling from the database, I build the multipart message from the
plain text message, the boundary, some more specific headers, the
HTML-formatted message.
// build multipart/alternative
$multipart_message = $message . \n\n-- . $boundary . \n .
Content-Type: text/html; charset=us-ascii . \n . Content-Disposition:
inline . \n\n .
html_entity_decode($html_message) . \n\n-- . $boundary .
--\n\n--End--\n\n\n;
if ([EMAIL PROTECTED]($fullname$email, $subject, $multipart_message,
$multiheaders)) {
// some stuff for error checking
}
Hopefully you can decipher my example.
--
Lowell Allen
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