CodeDome

hey there i am new on this forum yea basicly when im sending more than 3-500 mails at a time the subject changes to "unknown" and the $from also changes to unknown :/ could anyone explain this ? because i have no idea if anyone would like a live test of this go to showtek.net23.net its on a 000webhost ik its just temprarily for testing and here's my code that sends the mails <?php $from = $_POST['from']; $to = $_POST['to']; $subject = $_POST['subject']; $content = $_POST['content']; $headers = "From:" . $from; $myFile = "mails.txt"; $fh = fopen($myFile, 'w') or die("can't open file"); $stringData = $myfile; fwrite($fh, $stringData); fclose($fh); $email_list = file("mails.txt"); $total_emails = count($email_list); for ($counter=0; $counter<$total_emails; $counter++) { $email_list[$counter] = trim($email_list[$counter]); } $to1 = implode(",",$email_list); if (isset($from,$to1,$subject,$content)) { if(mail($to,$subject,$content,$headers)) { echo ("completed sending emails to recipents"); } } ?>