how can i fix my mail function error

[simon2x1]

the code below is a code given to me to solve the problem of my mail going in to spam but i have a problem with line 16 how can i fix it and what should i do i will appreciate if u will edit the problem on the code below

<?php
   include("Mail.php");
  /* mail setup recipients, subject etc */
  $recipients = "feedback@yourdot.com";
  $headers["From"] = "user@somewhere.com";
  $headers["To"] = "feedback@yourdot.com";
  $headers["Subject"] = "User feedback";
  $mailmsg = "Hello, This is a test.";
   /* SMTP server name, port, user/passwd */
  $smtpinfo["host"] = "smtp.mycorp.com";
  $smtpinfo["port"] = "25";
  $smtpinfo["auth"] = true;
  $smtpinfo["username"] = "smtpusername";
  $smtpinfo["password"] = "smtpPassword";
  /* Create the mail object using the Mail::factory method */
  $mail_object =& Mail::factory("smtp", $smtpinfo);
   /* Ok send mail */
 $mail_object->send($recipients, $headers, $mailmsg);
?>

[Dormilich]

you’re using PHP4? other than that there is no way we can help you, because we don’t know what the error is or what the Mail class does.