php ช่วยดูโค้ดหน่อยคะส่งอีเมล์ไม้ได้คะ(พึ่งเริ่มหัดเขียน)

<?php
            require_once ('class.phpmailer.php');
            $mail = new PHPMailer();
            $mail->IsHTML(FALSE);
            $mail->IsSMTP(TRUE);
            $mail->SMTPAuth = true; // enable SMTP authentication
            $mail->SMTPSecure = ""; // sets the prefix to the servier
            $mail->Host = "localhost"; // sets GMAIL as the SMTP server
            $mail->Port = 25; // set the SMTP port for the GMAIL server
            $mail->Username = "[email protected]"; // GMAIL username
            $mail->Password = "thitinan"; // GMAIL password
            $mail->From = $_POST["email"]; // "[email protected]";
            $mail->AddReplyTo = "[email protected]"; // Reply
            $mail->FromName = $_POST["name_"];  // set from Name
            $mail->Subject = $_POST["title"]; 
            $mail->Body = $_POST["msg"];

            $mail->AddAddress("[email protected]","zizzee"); // to Address

            $mail->Send(); 
            ?>

<?PHP
  require_once ( 'class.phpmailer.php' ); // Add the path as appropriate
  $Mail = new PHPMailer();
  $Mail->IsSMTP(); // Use SMTP
  $Mail->Host = "smtp.gmail.com"; // Sets SMTP server
  $Mail->SMTPDebug = 2; // 2 to enable SMTP debug information
  $Mail->SMTPAuth = TRUE; // enable SMTP authentication
  $Mail->SMTPSecure  = "tls"; //Secure conection
  $Mail->Port = 587; // set the SMTP port
  $Mail->Username    = 'ชื่ออีเมล์@gmail.com'; // SMTP account username
  $Mail->Password    = 'รหัสผ่านเข้าใช้งาน gmail'; // SMTP account password
  $Mail->Priority    = 1; // Highest priority - Email priority (1 = High, 3 = Normal, 5 = low)
  $Mail->CharSet     = 'UTF-8';
  $Mail->Encoding    = '8bit';
  $Mail->Subject     = 'Test Email Using Gmail';
  $Mail->ContentType = 'text/html; charset=utf-8\r\n';
  $Mail->From        = 'อีเมล์ผู้ส่ง';
  $Mail->FromName    = 'ชื่อผู้ส่ง';
  $Mail->WordWrap    = 900; // RFC 2822 Compliant for Max 998 characters per line
  $ToEmail="อีเมล์ที่จะส่ง";
  $Mail->AddAddress( $ToEmail ); // To:
  $Mail->isHTML( TRUE );
  $MessageHTML="<h3>ทดสอบส่งอีเมล์</h3>";
  $Mail->Body    = $MessageHTML;
  //$Mail->AltBody = $MessageTEXT;
  $Mail->Send();
  $Mail->SmtpClose();

  if ( $Mail->IsError() ) { 
    echo "ERROR<br /><br />";
  }
  else {
    echo "OK<br /><br />";
  }
?>