Código PHP:
   $eol="\r\n";
                        $mime_boundary=md5(time());
                        $fromaddress = "[email protected]";
                        $fromname = "Mazikacafe";
 
                        $headers .= "From: ".$fromname."<".$fromaddress.">".$eol;
                        $headers .= "Reply-To: ".$fromname."<".$fromaddress.">".$eol;
                        $headers .= "Return-Path: ".$fromname."<".$fromaddress.">".$eol;    // these two to set reply address
                        $headers .= "Message-ID: <".time()."-".$fromaddress.">".$eol;
                        $headers .= "X-Mailer: PHP v".phpversion().$eol;          // These two to help avoid spam-filters
 
  # Boundry for marking the split & Multitype Headers
                        $headers .= 'MIME-Version: 1.0'.$eol;
                        $headers .= "Content-Type: multipart/mixed; boundary=\"".$mime_boundary."\"".$eol.$eol;
 
 
                        $body = "Hello,\n\n To finalize your registration and activate your account, please click on the following URL:\n\n";
                        $body .= "http://www.mazikacafe.com/online/user/receivingActivation.php?id=$aleatorio\n\n";
                        $body .= "Thank you.\n";
 
# Open the first part of the mail
                        $msg = "--".$mime_boundary.$eol;
 
                        $htmlalt_mime_boundary = $mime_boundary."_htmlalt"; //we must define a different MIME boundary for this section
  # Setup for text OR html -
                        $msg .= "Content-Type: multipart/alternative; boundary=\"".$htmlalt_mime_boundary."\"".$eol.$eol;
 
  # Text Version
                        $msg .= "--".$htmlalt_mime_boundary.$eol;
                        $msg .= "Content-Type: text/plain; charset=iso-8859-1".$eol;
                        $msg .= "Content-Transfer-Encoding: 8bit".$eol.$eol;
                        $msg .= $body.$eol.$eol;
                        
                        $msg .= "--".$htmlalt_mime_boundary."--".$eol.$eol;
                        
                        $msg .= "--".$mime_boundary."--".$eol.$eol;
 
 
                        
                        $subject = "SignUp new user";
 
                        if(mail($email,$subject,$msg,$headers)){
                            header("Location: http://www.mazikacafe.com/online/user/signupSended.php?email=".$email);
                        }
                        else{
                            $_SESSION['error'] = "There has been an error in sending its code activiacion, please try again. Thank you.";
                            header("Location: http://www.mazikacafe.com/online/user/signup.php");
                        }
                } 
    German.
 

