agustinferreira

<form action='newsletter.php' method='post'>
				<div class="stuff">Email <input type="text" name='email'> 
				<button type="submit" name='submit' >Submit</button> <br></div>
				<?php if ($result) {echo $result ; }  ?>
</form>

agustinferreira

<?php
if ($_POST['email'] != "") 
{  
    $email = filter_var($_POST['email'] , FILTER_SANITIZE_EMAIL); 
 
		if(!filter_var($email, FILTER_VALIDATE_EMAIL)) 
		{  
                $result = "The mail you entered is not a valid email address.";
		}