Mail functie.. (Opgelost)

<p class='title'>Contact</p>

<?php
 if(isset($_POST['verzenden']))
  {
	$naam_ontvanger		=	'naam';
	$email_ontvanger	=	'email';
		
	$naam_verzender		=	$_POST['naam'];
	$email_verzemder	=	$_POST['email'];
		
	$onderwerp			=	$_POST['onderwerp'];
	
	$header				=	'From: '.$naam_verzender.'('.$email_verzender.') \r\n';
	$header				= 	'Mime-Version: 1.0 \r\n';
	$header				=	'Content-type: text/html; charset=iso8859-1 \r\n';
	$header				=	'Return-path: Mail-error (error@activion.net) \r\n';
	$header				=	'Reply-to: '.$naam_verzender.' ('.$email_verzender.') \r\n';
			
	$bericht			=	nl2br($_POST['bericht']);
		
	mail($onderwerp, $bericht, $header))
	
	echo "<p class='text'>'Uw bericht is succesvol verzonden.'</p>";
  }
  
 else
  {
?>

<form action='<?php $_SERVER['Php_Self']; ?>' method='post'>
  <table cellpadding='0' cellspacing='0'>
	<tr>
	  <td>Naam:</td>
	  <td><input name='naam' type='text'/></td>
	</tr>
	<tr>
	  <td>Email:</td>
	  <td><input name='email' type='text'/></td>
	</tr>
	<tr>
	  <td>Onderwerp:</td>
	  <td><input name='onderwerp' type='text'/></td>
	</tr>
	<tr>
	  <td>Bericht:</td>
	  <td><textarea name='bericht'></textarea></td>
	</tr>
	<tr>
	  <td>&nbsp;</td>
	  <td><input name='verzenden' type='submit' value='Verzenden'/></td>
	</tr>
  </table>
</form>

<?php
  }
?>

<p class='title'>Contact</p>
 
<?php
 if(isset($_POST['verzenden']))
  {
	$naam_ontvanger		=	'naam';
	$email_ontvanger	=	'email';
 
	$naam_verzender		=	$_POST['naam'];
	$email_verzemder	=	$_POST['email'];
 
	$onderwerp			=	$_POST['onderwerp'];
 
	$header				=	'From: '.$naam_verzender.'('.$email_verzender.') \r\n';
	$header				= 	'Mime-Version: 1.0 \r\n';
	$header				=	'Content-type: text/html; charset=iso8859-1 \r\n';
	$header				=	'Return-path: Mail-error (error@activion.net) \r\n';
	$header				=	'Reply-to: '.$naam_verzender.' ('.$email_verzender.') \r\n';
 
	$bericht			=	nl2br($_POST['bericht']);
 
	mail($onderwerp, $bericht, $header))
 
	echo "<p class='text'>'Uw bericht is succesvol verzonden.'</p>";
  }
 
 else
  {
?>
 
<form action='<?php $_SERVER['Php_Self']; ?>' method='post'>
  <table cellpadding='0' cellspacing='0'>
	<tr>
	  <td>Naam:</td>
	  <td><input name='naam' type='text'/></td>
	</tr>
	<tr>
	  <td>Email:</td>
	  <td><input name='email' type='text'/></td>
	</tr>
	<tr>
	  <td>Onderwerp:</td>
	  <td><input name='onderwerp' type='text'/></td>
	</tr>
	<tr>
	  <td>Bericht:</td>
	  <td><textarea name='bericht'></textarea></td>
	</tr>
	<tr>
	  <td>&nbsp;</td>
	  <td><input name='verzenden' type='submit' value='Verzenden'/></td>
	</tr>
  </table>
</form>
 
<?php
  }
?>

<?
echo '<p class="text">Uw bericht is succesvol verzonden.<p>';

<?
echo '<p class="text">Uw bericht is succesvol verzonden.<p>';

<?=$_SERVER['REQUEST_URI']?>

<?=$_SERVER['REQUEST_URI']?>

<?
$header        =  'From: '.$naam_verzender.'<'.$email_verzender.'> \r\n';
  $header        =   'Mime-Version: 1.0 \r\n';
  $header        =  'Content-type: text/html; charset=iso8859-1 \r\n';
  $header        =  'Return-path: Mail-error <error@activion.net> \r\n';
  $header        =  'Reply-to: '.$naam_verzender.' <'.$email_verzender.'> \r\n';

<?
$header        =  'From: '.$naam_verzender.'<'.$email_verzender.'> \r\n';
  $header        =   'Mime-Version: 1.0 \r\n';
  $header        =  'Content-type: text/html; charset=iso8859-1 \r\n';
  $header        =  'Return-path: Mail-error <error@activion.net> \r\n';
  $header        =  'Reply-to: '.$naam_verzender.' <'.$email_verzender.'> \r\n';

<?
$header        =  "From: ".$naam_verzender."<".$email_verzender."> \r\n";
  $header        .=   "Mime-Version: 1.0 \r\n";
  $header        .=  "Content-type: text/html; charset=iso8859-1 \r\n";
  $header        .=  "Return-path: Mail-error <error@activion.net> \r\n";
  $header        .=  "Reply-to: ".$naam_verzender." <".$email_verzender."> \r\n";

<?
$header        =  "From: ".$naam_verzender."<".$email_verzender."> \r\n";
  $header        .=   "Mime-Version: 1.0 \r\n";
  $header        .=  "Content-type: text/html; charset=iso8859-1 \r\n";
  $header        .=  "Return-path: Mail-error <error@activion.net> \r\n";
  $header        .=  "Reply-to: ".$naam_verzender." <".$email_verzender."> \r\n";