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Problem with formmail.php


mansfiem
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I am having getting the formmail for an online registration form to work properly. I keep getting an error message like this whenever I try and submit the information:
There was an unknown error while checking the recipients email address.

Here is the formmail.php I am using:



<?php

/* Copyright © 2002 Eli Sand */



/* Modified 02.08.2006 by Nitrogen Design */

/* [a href=\"http://www.nitrogendesign.com\" target=\"_blank\"]http://www.nitrogendesign.com[/a] */





########################################################################

# #

# PHP FormMail v2.0 20030305 #

# #

########################################################################

#

# Settings

#



# Initialize variables

#

$auth = NULL;

$deny = NULL;

$must = NULL;

$post = NULL;

$http = NULL;

$form = NULL;

$list = NULL;



# Fix for pre PHP 4.1.x versions

#

if (!isset($_POST)) {

$_POST = &$HTTP_POST_VARS;

}

if (!isset($_SERVER)) {

$_SERVER = &$HTTP_SERVER_VARS;

}

if (!function_exists('array_key_exists')) {

function array_key_exists($key, $array) {return in_array($key, array_keys($array)) ? true : false;}

}



# Fix for magic quotes when enabled

#

if (get_magic_quotes_gpc()) {

foreach ($_POST as $key => $value) {

$_POST["$key"] = stripslashes($value);

}

}



# Detect any Windows operating system

#

if (strstr(php_uname(), 'Windows')) {

$IS_WINDOWS = TRUE;

} else {

$IS_WINDOWS = FALSE;

}



########################################################################

# #

# USER CONFIGURABLE SETTINGS #

# #

########################################################################



# Authorized email address masks that can be used as the recipient

#

$auth = "*@127.0.0.1, *@localhost";



# Authorize all email addresses to the current domain

#

# If you want strict email account authorization, comment this out and

# the script will only authorize the masks in the list defined above.

#

$auth .= ", *@" . get_domain($_SERVER['SERVER_NAME']);



# Email address masks that will be rejected if in the email field

#

$deny = "nobody@*, anonymous@*, postmaster@*";



# The following allow you to set some default settings

#

# These are commented out by default and when used, either override or

# append to any values. This allows you to ensure that hackers don't

# post their own values to certain fields, making you miss out on

# important data that you want to ensure is included in the email.

#

#$must['required'] = "env_report";

#$must['env_report'] = "REMOTE_ADDR";

#$must['redirect'] = "http://my.domain.com/ok.html";

#$must['error_redirect'] = "http://my.domain.com/error.html";

#$must['missing_fields_redirect'] = "http://my.domain.com/missing.html";



#

########################################################################



########################################################################

# #

# DO NOT EDIT ANYTHING PAST THIS POINT #

# #

########################################################################



########################################################################

#

# Functions

#



# Trim leading and trailing white space from array values

#

function array_trim(&$value, $key) {

$value = trim($value);

}



# Return the top level domain of a hostname

#

function get_domain($string) {

if (eregi('\.?([a-zA-Z0-9\-]+\.?[a-zA-Z0-9\-]+)$', $string, $values)) {

return $values[1];

}



return NULL;

}

function get_emailDomain($string) {

list($emailUser, $emailDomain) = split("@",$string);

return $emailDomain;

}



# Show an error message to the user

#

function error_msg($error, $required = FALSE) {

global $post;



if (!empty($post['missing_fields_redirect']) && $required) {

header('Location: ' . $post['missing_fields_redirect']);

}

elseif (!empty($post['error_redirect'])) {

header('Location: ' . $post['error_redirect']);

}

else {

echo "<html>\r\n";

echo "\t<head>\r\n";

echo "\t\t<title>Form Error</title>\r\n";

echo "\t\t<style type=\"text/css\">* {font-family: \"Verdana\", \"Arial\", \"Helvetica\", monospace;}</style>\r\n";

echo "\t</head>\r\n";

echo "\t<body>\r\n";

echo "\t\t<p>${error}</p>\r\n\t\t<p><small>« <a href=\"javascript: history.back();\">go back</a></small></p>\r\n";

echo "\t</body>\r\n";

echo "</html>\r\n";

}



exit();

}



# Basic pattern matching on an entire array

#

function pattern_grep($input, $array) {

foreach ($array as $value) {

$value = addcslashes($value, '^.[]$()|{}\\');

$value = str_replace('*', '.*', $value);

$value = str_replace('?', '.?', $value);

$value = str_replace('+', '.+', $value);



if (eregi('^' . $value . '$', $input)) {

return TRUE;

}

}



return FALSE;

}



#

########################################################################



########################################################################

#

# Main

#



# Check to make sure the info was posted

#

if ($_SERVER['REQUEST_METHOD'] == 'POST') {



$post = array(

'recipient' => $_POST['recipient'],

'email' => $_POST['email'],

'subject' => $_POST['subject'],

'realname' => $_POST['realname'],

'required' => $_POST['required'],

'env_report' => $_POST['env_report'],

'sort' => $_POST['sort'],

'redirect' => $_POST['redirect'],

'error_redirect' => $_POST['error_redirect'],

'missing_fields_redirect' => $_POST['missing_fields_redirect']

);



$http = array(

'REMOTE_USER' => $_SERVER['REMOTE_USER'],

'REMOTE_ADDR' => $_SERVER['REMOTE_ADDR'],

'HTTP_USER_AGENT' => $_SERVER['HTTP_USER_AGENT']

);



if (isset($must['required'])) {

$post['required'] = $must['required'] . ',' . $_POST['required'];

}

if (isset($must['env_report'])) {

$post['env_report'] = $must['env_report'] . ',' . $_POST['env_report'];

}

if (isset($must['redirect'])) {

$post['redirect'] = $must['redirect'];

}

if (isset($must['error_redirect'])) {

$post['error_redirect'] = $must['error_redirect'];

}

if (isset($must['missing_fields_redirect'])) {

$post['missing_fields_redirect'] = $must['missing_fields_redirect'];

}



if (($auth = explode(',', $auth))) {

array_walk($auth, 'array_trim');

}

if (($deny = explode(',', $deny))) {

array_walk($deny, 'array_trim');

}



# Check for missing required fields

#

if ((!empty($post['required'])) && ($list = explode(',', $post['required']))) {

$list[] = 'recipient';

$list[] = 'email';



array_walk($list, 'array_trim');



foreach ($list as $value) {

if (!empty($value) && empty($_POST["$value"])) {

error_msg("You have left a required field blank.", TRUE);

}

}

}



# Check the email addresses submitted

#

if (pattern_grep($post['email'], $deny)) {

error_msg("You have specified a banned email address.");

}

if (!eregi('^([a-zA-Z0-9\.\_\-]+)\@((([a-zA-Z0-9\-]+)\.)+([a-zA-Z]+))$', $post['email'])) {

error_msg("You have specified an invalid email address.");

}

if (!$IS_WINDOWS) {

if (!getmxrr(get_emailDomain($post['email']), $mxhost)) {

error_msg("You have no mail exchange records for your email address.");

}

}



# Check if the recipients email address is authorized

#

if ((!empty($post['recipient'])) && ($list = explode(',', $post['recipient']))) {

array_walk($list, 'array_trim');



foreach ($list as $value) {

if (!eregi('^([a-zA-Z0-9\.\_\-]+)\@((([a-zA-Z0-9\-]+)\.)+([a-zA-Z]+))$', $value)) {

error_msg("The recipients email address is invalid.");

}

if (!pattern_grep($value, $auth)) {

error_msg("The recipients email address is unauthorized.");

}

}

}

else {

error_msg("There was an unknown error while checking the recipients email address.");

}



# Sort the fields

#

if ((!empty($post['sort'])) && ($list = explode(',', $post['sort']))) {

array_walk($list, 'array_trim');



foreach ($list as $value) {

$form["$value"] = $_POST["$value"];

}

}

else {

$form = $_POST;

}



# Create the message

#

$subject = empty($post['subject']) ? "Online form" : "Online form: " . $post['subject'];



$message = "Submitted by: " . $post['realname'] . " <" . $post['email'] . "> on " . date('l, F jS, Y @ g:i:s a (O)') . "\r\n\r\n";



if (!empty($post['env_report'])) {

if (($list = explode(',', $post['env_report']))) {

$message .= "Client Variables\r\n";

$message .= "----------------\r\n\r\n";



array_walk($list, 'array_trim');



foreach ($list as $value) {

if (array_key_exists($value, $http)) {

$message .= "${value}:\r\n" . $http["$value"] . "\r\n\r\n";

}

}

}

}



$message .= "Online Form Fields\r\n";

$message .= "------------------\r\n\r\n";



foreach ($form as $key => $value) {

if (!array_key_exists($key, $post)) {

$message .= "${key}:\r\n${value}\r\n\r\n";

}

}



# Send out the email

#

if (mail($post['recipient'], $subject, $message, "From: " . $post['email'] . "\r\nReply-To: " . $post['email'] . "\r\nX-Mailer: PHP FormMail")) {



if (!empty($post['redirect'])) {

header('Location: ' . $post['redirect']);

}

else {

echo "<html>\r\n";

echo "\t<head>\r\n";

echo "\t\t<title>Thank you</title>\r\n";

echo "\t\t<style type=\"text/css\">* {font-family: \"Verdana\", \"Arial\", \"Helvetica\", monospace;}</style>\r\n";

echo "\t</head>\r\n";

echo "\t<body>\r\n";

echo "\t\t<p>Thank you for filling out the form.</p>\r\n\t\t<p><small>« <a href=\"javascript: history.back();\">go back</a></small></p>\r\n";

echo "\t</body>\r\n";

echo "</html>\r\n";

}

}

else {

error_msg("There was an unknown error while sending email.");

}

}

else {

error_msg("Invalid request method used.");

}



#

########################################################################

?>

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