Problem with emails being sent twice with PHPMailer

Hi All,

I am very frustrated. I have a simple (at least I think it is) script that pulls email addresses, populates a text file and sends it out. BUT it is sending the email TWICE! I am not an experienced php/mysql person and using phpmailer has been great up until now, but I think everything is correct. If some one has an idea of why it's sending the message twice, that would be great. Is this a phpmailer problem or something else? Here are the stats.

The email list is about 2,600 people. As mentioned before, this problem is only a recent one. The list has been growing steadily. The emails are received not at the same time, but about 15 - 20 or so minutes apart from each other. This makes me think the script is running twice. I've been using this for some time and have only recently had this problem. I did a test with this script sending to a smaller database - 20 email addresses - and had no problems. Could it be the size of the list? Could the browser call the script again, for some reason, part of the way through? Is there a setting in phpmailer I am missing to set something so it won't send twice? Has this something to to with something timing out?

I'm completely at a loss. Any help would be greatly appreciated.

Thanks,

Mark

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Below is the script

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<?php

require_once ('../templates/login.php');

require ('../lib/phpmailer/class.phpmailer.php');

$email_errors = 0;

$error_flag = 0;

$error_array = array();

$subject = "Subject Goes Here";

$ic_text = file_get_contents("text_email.txt");

// Send the email

$mail = new PHPMailer();

$mail->From     = "email@hidden";

$mail->FromName = "Business Name";

$email_address_query  = "SELECT email_id, email, email_unique_id FROM email_list GROUP BY email ORDER BY email_id";

$email_address_result = mysql_query($email_address_query);

while ($email_address_row = mysql_fetch_array($email_address_result, MYSQL_ASSOC)) {

$ic_text_final = str_replace("<<EMAIL_ID>>", $email_address_row['email_unique_id'], $ic_text);

$ic_text_final = str_replace("<<YEAR>>", date("Y"), $ic_text_final);

$ic_text_final = str_replace("<<EMAIL>>", $email_address_row['email'], $ic_text_final);

$mail->Subject = $subject;

$mail->Body    = $ic_text_final;

$mail->AddAddress($email_address_row["email"]);

if(!$mail->Send()) {

  $error_flag = 1;

  $email_errors++;// Add 1 to $email_errors so that it comes up with the correct number of emails NOT sent.

  $error_array[] = $email_address_row['email'].' - '.$email_address_row['email_id'];

}

// Clear all addresses for next loop.

$mail->ClearAddresses();

// Write the email_id and incremented number back to the tracking table.

$count++;

}

if ($error_flag == 0) {

echo "No Errors.<br><br>\n";

} else {

echo $email_errors."error(s) occured.<br><br>\n";

for ($i=0; $i<count($error_array); $i++) {

  echo $error_array[$i]."<br>\n";

}

}

echo "Email sent.";

exit;

?>