not able to attached rar file format
I am not able to upload file in rar format 
please check code here
"<?php
$MailAttachments = "";
$MailBCC         = "";
$MailCC          = "";
$MailTo          = "";
$MailBodyFormat  = "";
$MailBody        = "";
$MailImportance  = "";
$MailFrom        = "".((isset($_POST["email"]))?$_POST["email"]:"")  ."";
$MailSubject     = "Online purchased order-details";
$_SERVER["QUERY_STRING"] = "";
//Global Variables
  $WA_MailObject = WAUE_Definition("","","","","","");
if ($RecipientEmail)     {
  $WA_MailObject = WAUE_AddRecipient($WA_MailObject,$RecipientEmail);
}
else      {
  //To Entries
}
//Additional Headers
//Attachment Entries
//BCC Entries
//CC Entries
//Body Format
  $WA_MailObject = WAUE_BodyFormat($WA_MailObject,0);
//Set Importance
  $WA_MailObject = WAUE_SetImportance($WA_MailObject,"3");
//Start Mail Body
$MailBody = $MailBody . "<html><head><!-- In\"+\"stanceBegin template=\"/Templates/waue html body\" codeOutsideHTMLIsLocked=\"false\" --><!-- In\"+\"stanceBeginEditable name=\"emailhead\" --><!-- In\"+\"stanceBegin template=\"/Templates/waue html body\" codeOutsideHTMLIsLocked=\"false\" --><!-- In\"+\"stanceBeginEditable name=\"emailhead\" --><!-- In\"+\"stanceBegin template=\"/Templates/waue html body\" codeOutsideHTMLIsLocked=\"false\" --><!-- In\"+\"stanceBeginEditable name=\"emailhead\" --><!-- In\"+\"stanceBegin template=\"/Templates/waue html body\" codeOutsideHTMLIsLocked=\"false\" --><!-- In\"+\"stanceBeginEditable name=\"emailhead\" --><!-- In\"+\"stanceBegin template=\"/Templates/waue html body\" codeOutsideHTMLIsLocked=\"false\" --><!-- In\"+\"stanceBeginEditable name=\"emailhead\" --><!-- In\"+\"stanceEndEditable --><!-- In\"+\"stanceEndEditable --><!-- In\"+\"stanceEndEditable --><!-- In\"+\"stanceEndEditable --><!-- In\"+\"stanceEndEditable --></head><body><!-- In\"+\"stanceBeginEditable name=\"emailbody\" --><!-- In\"+\"stanceBeginEditable name=\"emailbody\" --><!-- In\"+\"stanceBeginEditable name=\"emailbody\" --><!-- In\"+\"stanceBeginEditable name=\"emailbody\" -->\r\n";
$MailBody = $MailBody . "<p>\r\n";
$MailBody = $MailBody . "  <!-- In\"+\"stanceBeginEditable name=\"emailbody\" -->\r\n";
$MailBody = $MailBody . "Session::";
$MailBody = $MailBody .  session_id();
$MailBody = $MailBody . "\r\n";
$MailBody = $MailBody . "<!-- In\"+\"stanceEndEditable -->\r\n";
$MailBody = $MailBody . "<br />\r\n";
$MailBody = $MailBody . "Product name: ";
$MailBody = $MailBody .  $eCart1->DisplayInfo("Name");
$MailBody = $MailBody . "<br />\r\n";
$MailBody = $MailBody . "Quanitituy:\r\n";
$MailBody = $MailBody . "\r\n";
$MailBody = $MailBody .  $eCart1->DisplayInfo("Quantity");
$MailBody = $MailBody . "<br />\r\n";
$MailBody = $MailBody . "Price:\r\n";
$MailBody = $MailBody .  $eCart1->DisplayInfo("Price");
$MailBody = $MailBody . "<br />\r\n";
$MailBody = $MailBody . "Color:\r\n";
$MailBody = $MailBody .  $eCart1->DisplayInfo("Color");
$MailBody = $MailBody . "\r\n";
$MailBody = $MailBody . "<br />\r\n";
$MailBody = $MailBody . "Size:\r\n";
$MailBody = $MailBody .  $eCart1->DisplayInfo("Size");
$MailBody = $MailBody . "\r\n";
$MailBody = $MailBody . "<br />\r\n";
$MailBody = $MailBody . "Total Price:\r\n";
$MailBody = $MailBody .  $eCart1->DisplayInfo("TotalPrice");
$MailBody = $MailBody . "\r\n";
$MailBody = $MailBody . "<br />\r\n";
$MailBody = $MailBody . "Grand Total:\r\n";
$MailBody = $MailBody .  $eCart1->GrandTotal();
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<p>Billing informaiton:</p>\r\n";
$MailBody = $MailBody . "<p>First Name ";
$MailBody = $MailBody .  ((isset($_POST["firstname"]))?$_POST["firstname"]:"");
$MailBody = $MailBody . " </p>\r\n";
$MailBody = $MailBody . "<p>Last Name ";
$MailBody = $MailBody .  ((isset($_POST["lastname"]))?$_POST["lastname"]:"");
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<p>Email";
$MailBody = $MailBody .  ((isset($_POST["email"]))?$_POST["email"]:"");
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<p>Phone:";
$MailBody = $MailBody .  ((isset($_POST["phone"]))?$_POST["phone"]:"");
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<p>Street1";
$MailBody = $MailBody .  ((isset($_POST["street1"]))?$_POST["street1"]:"");
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<p>Street 2 ";
$MailBody = $MailBody .  ((isset($_POST["street2"]))?$_POST["street2"]:"");
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<p> City:";
$MailBody = $MailBody .  ((isset($_POST["city"]))?$_POST["city"]:"");
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<p>State:";
$MailBody = $MailBody .  ((isset($_POST["state_province"]))?$_POST["state_province"]:"");
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<p>Postal code:";
$MailBody = $MailBody .  ((isset($_POST["postcode"]))?$_POST["postcode"]:"");
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<p>Country:";
$MailBody = $MailBody .  ((isset($_POST["country"]))?$_POST["country"]:"");
$MailBody = $MailBody . "</p>\r\n";
$MailBody = $MailBody . "<!-- In\\\\\\\\\"+\\\\\\\\\"stanceEndEditable --><!-- In\\\\\\\\\"+\\\\\\\\\"stanceEndEditable --><!-- In\\\\\\\\\"+\\\\\\\\\"stanceEndEditable --><!-- In\\"+\\"stanceEndEditable --></body><!-- In\\\\\\\\\"+\\\\\\\\\"stanceEnd --><!-- In\\\\\\\\\"+\\\\\\\\\"stanceEnd --><!-- In\\\\\\\\\"+\\\\\\\\\"stanceEnd --><!-- In\\\\\\\\\"+\\\\\\\\\"stanceEnd --><!-- In\\"+\\"stanceEnd --></html>";
//End Mail Body
$WA_MailObject = WAUE_SendMail($WA_MailObject,$MailAttachments,$MailBCC,$MailCC,$MailTo,$MailImportance,$MailFrom,$MailSubject,$MailBody,"waue_checkout_success_1");
if (isset($_SESSION["waue_checkout_success_1_Status"])) {
  $MailLogBindings = new WAUE_Log_Bindings();
  //Start Log Bindings
  //Success Or Failure
  $MailLogBindings->SuccessOrFailure->ToDo = "none";
  $MailLogBindings->SuccessOrFailure->Connection = "";
  $MailLogBindings->SuccessOrFailure->TableName = "";
  $MailLogBindings->SuccessOrFailure->EmailColumn = "";
  $MailLogBindings->SuccessOrFailure->ColumnList = array();
  $MailLogBindings->SuccessOrFailure->TypeList = array();
  $MailLogBindings->SuccessOrFailure->ValueList = array();
  //Success Only
  $MailLogBindings->Success->ToDo = "none";
  $MailLogBindings->Success->Connection = "";
  $MailLogBindings->Success->TableName = "";
  $MailLogBindings->Success->EmailColumn = "";
  $MailLogBindings->Success->ColumnList = array();
  $MailLogBindings->Success->TypeList = array();
  $MailLogBindings->Success->ValueList = array();
  //Failure Only
  $MailLogBindings->Failure->ToDo = "none";
  $MailLogBindings->Failure->Connection = "";
  $MailLogBindings->Failure->TableName = "";
  $MailLogBindings->Failure->EmailColumn = "";
  $MailLogBindings->Failure->ColumnList = array();
  $MailLogBindings->Failure->TypeList = array();
  $MailLogBindings->Failure->ValueList = array();
  //End Log Bindings
  $MailLogBindings->SuccessOrFailure->MailRef = "waue_checkout_success_1";
  $MailLogBindings->Success->MailRef = "waue_checkout_success_1";
  $MailLogBindings->Failure->MailRef = "waue_checkout_success_1";
  $MailLogBindings->processLog(($_SESSION["waue_checkout_success_1_Status"] == "Failure"));
}
$WA_MailObject = null;
?>"


