title: PHP VCALENDAR not working in MAC Outlook
body: <p>Vcalendar works well in Windows Outlook but not working in MAC Outlook. It shows below message when i receive appointment by email:</p>
  
  <pre><code>charset="UTF-8"
  Content-Transfer-Encoding: 7bit
  
  BEGIN:VCALENDAR
  VERSION:2.0
  METHOD:REQUEST
  BEGIN:VEVENT
  UID:UID:20120605T112338-532614004-testing
  DTSTAMP:20120605T112338
  DTSTART:20120605T112338
  SUMMARY: Appointment testing
  DESCRIPTION: Test appointment
  END:VEVENT
  END:VCALENDAR
  </code></pre>
  
  <p>Here is the code i am using for appointment creation:</p>
  
  <pre><code>        $myUID="UID:".date('Ymd').'T'.date('His')."-".rand()."-test".$eol; // required by Outlok
          $message="BEGIN:VCALENDAR".$eol;
          $message.="VERSION:2.0".$eol;
          //$message.="PRODID:-//Foobar Corporation//NONSGML Foobar//EN\n";
          $message.="METHOD:REQUEST".$eol; // requied by Outlook
          $message.="BEGIN:VEVENT".$eol;
          $message.="UID:".$myUID; // required by Outlok
          $message.="DTSTAMP:".date('Ymd').'T'.date('His').$eol; // required by Outlook
          $message.="DTSTART:".date('Ymd').'T'.date('His').$eol;
          $message.="SUMMARY: $attachment_subject".$eol;
          $message.="DESCRIPTION: $notes".$eol;
          $message.="END:VEVENT".$eol;
          $message.="END:VCALENDAR".$eol;     
          $headers = "From: $User &lt;$User_Email&gt;".$eol;
          $headers .= "MIME-Version: 1.0".$eol;
          $headers .= "Content-Type: text/calendar; method=REQUEST;".$eol;
          $headers .= 'charset="UTF-8"';
          $headers .= $eol;
          $headers .= "Content-Transfer-Encoding: 7bit";
          mail("$Email", $subject, $message, $headers)
  </code></pre>