Posted by "Richard Lynch" on 01/20/06 00:25

On Tue, January 17, 2006 9:12 am, ET Support wrote:
> I am having a problem using PHP's mail function to send mail via BCC
> to
> multiple recipients. Here's my code;
> --------------------------------------
> $get_emails = pg_exec($dbh,"SELECT email FROM mailing_list WHERE conf
> = 1");
> $count = pg_numrows($get_emails);
> $bcc_count = $envelope_count = 0;
> $bcc_limit = 200;
> $subject = $body = 'test message';
> $from = 'support@earthtecinc.com';
> $header = "From: $from\r\n";

You probably want Reply-to: here as well...

> for($x = 0; $x < $count; $x++) {
> $email = pg_result($get_emails,$x,0);
> if($bcc_count >= $bcc_limit) {
> if($x > 0) {
> $envelope_count++;
> mail($from,$subject,$body,$headers);
> }
> $headers = $header . "Bcc: $email\r\n";

> $bcc_count = 1;
> } else {
> $headers .= "Bcc: $email\r\n";
> $bcc_count++;
> }
> }
> # send the last envelope
> mail($from,$subject,$body,$headers);
> --------------------------------------
>
> The problem is that for some recipients they get a message body like
> this;
>
> --------------------------------------
> Message-Id: <20060116170640.424CFA51997@earthtecinc.com>
> Date: Mon, 16 Jan 2006 17:06:40 +0000 (GMT)
>
> test message
> --------------------------------------
>
> Any idea why those headers are being inserted into the message body
> and how
> that can be prevented?

If $email contains a newline, or a \r\n, then you might see that...

Because your Bcc: $email\r\n turns into:

Bcc: junk\n
\r\n
Message-Id: <....>


At which point you're not in the heades any more because your 'email'
forced you out of them with a blank line.

How 'clean' are the emails in your database?... :-)

If they've come from a web signup form, and you weren't validating the
input, then I guarantee you've got spammers trying to use your form to
send out junk by forcing newlines and the headers THEY want into your
'email' field...

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