Index: create-mailbox.php
===================================================================
--- create-mailbox.php.original	(revision 1)
+++ create-mailbox.php	(working copy)
@@ -65,7 +65,7 @@
    $pCreate_mailbox_name_text = $PALANG['pCreate_mailbox_name_text'];
    $pCreate_mailbox_quota_text = $PALANG['pCreate_mailbox_quota_text'];
   
-   if (isset ($_POST['fUsername'])) $fUsername = escape_string ($_POST['fUsername']) . "@" . escape_string ($_POST['fDomain']);
+   if (isset ($_POST['fUsername'])) $fUsername = escape_string (strtolower($_POST['fUsername'])) . "@" . escape_string ($_POST['fDomain']);
    $fUsername = strtolower ($fUsername);
    if (isset ($_POST['fPassword'])) $fPassword = escape_string ($_POST['fPassword']);
    if (isset ($_POST['fPassword2'])) $fPassword2 = escape_string ($_POST['fPassword2']);
@@ -78,7 +78,7 @@
    if (!check_owner ($SESSID_USERNAME, $fDomain))
    {
       $error = 1;
-      $tUsername = escape_string ($_POST['fUsername']);
+      $tUsername = escape_string (strtolower($_POST['fUsername']));
       $tName = $fName;
       $tQuota = $fQuota;
       $tDomain = $fDomain;
@@ -88,7 +88,7 @@
    if (!check_mailbox ($fDomain))
    {
       $error = 1;
-      $tUsername = escape_string ($_POST['fUsername']);
+      $tUsername = escape_string (strtolower($_POST['fUsername']));
       $tName = $fName;
       $tQuota = $fQuota;
       $tDomain = $fDomain;
@@ -98,7 +98,7 @@
    if (empty ($fUsername) or !check_email ($fUsername))
    {
       $error = 1;
-      $tUsername = escape_string ($_POST['fUsername']);
+      $tUsername = escape_string (strtolower($_POST['fUsername']));
       $tName = $fName;
       $tQuota = $fQuota;
       $tDomain = $fDomain;
@@ -114,7 +114,7 @@
       else
       {
          $error = 1;
-         $tUsername = escape_string ($_POST['fUsername']);
+         $tUsername = escape_string (strtolower($_POST['fUsername']));
          $tName = $fName;
          $tQuota = $fQuota;
          $tDomain = $fDomain;
@@ -127,7 +127,7 @@
       if (!check_quota ($fQuota, $fDomain))
       {
          $error = 1;
-         $tUsername = escape_string ($_POST['fUsername']);
+         $tUsername = escape_string (strtolower($_POST['fUsername']));
          $tName = $fName;
          $tQuota = $fQuota;
          $tDomain = $fDomain;
@@ -139,7 +139,7 @@
    if ($result['rows'] == 1)
    {
       $error = 1;
-      $tUsername = escape_string ($_POST['fUsername']);
+      $tUsername = escape_string (strtolower($_POST['fUsername']));
       $tName = $fName;
       $tQuota = $fQuota;
       $tDomain = $fDomain;
@@ -158,7 +158,7 @@
          }
          else
          {
-            $maildir = $fDomain . "/" . escape_string ($_POST['fUsername']) . "/";
+            $maildir = $fDomain . "/" . escape_string (strtolower($_POST['fUsername'])) . "/";
          }
       }
       else
Index: create-alias.php
===================================================================
--- create-alias.php.original	(revision 1)
+++ create-alias.php	(working copy)
@@ -53,7 +53,7 @@
 {
    $pCreate_alias_goto_text = $PALANG['pCreate_alias_goto_text'];
 
-   if (isset ($_POST['fAddress']) && isset ($_POST['fDomain'])) $fAddress = escape_string ($_POST['fAddress']) . "@" . escape_string ($_POST['fDomain']);
+   if (isset ($_POST['fAddress']) && isset ($_POST['fDomain'])) $fAddress = escape_string (strtolower($_POST['fAddress'])) . "@" . escape_string ($_POST['fDomain']);
    $fAddress = strtolower ($fAddress);
    if (isset ($_POST['fGoto'])) $fGoto = escape_string ($_POST['fGoto']);
    $fGoto = strtolower ($fGoto);
@@ -77,7 +77,7 @@
    if (!check_alias ($fDomain))
    {
       $error = 1;
-      $tAddress = escape_string ($_POST['fAddress']);
+      $tAddress = escape_string (strtolower($_POST['fAddress']));
       $tGoto = $fGoto;
       $tDomain = $fDomain;
       $pCreate_alias_address_text = $PALANG['pCreate_alias_address_text_error3'];
@@ -86,7 +86,7 @@
 	if (empty ($fAddress) or !check_email ($fAddress))
 	{
       $error = 1;
-      $tAddress = escape_string ($_POST['fAddress']);
+      $tAddress = escape_string (strtolower($_POST['fAddress']));
       $tGoto = $fGoto;
       $tDomain = $fDomain;
       $pCreate_alias_address_text = $PALANG['pCreate_alias_address_text_error1'];
@@ -95,19 +95,19 @@
 	if (empty ($fGoto) or !check_email ($fGoto))
 	{
       $error = 1;
-      $tAddress = escape_string ($_POST['fAddress']);
+      $tAddress = escape_string (strtolower($_POST['fAddress']));
       $tGoto = $fGoto;
       $tDomain = $fDomain;
       $pCreate_alias_goto_text = $PALANG['pCreate_alias_goto_text_error'];
 	}
 
-   if (escape_string ($_POST['fAddress']) == "*") $fAddress = "@" . escape_string ($_POST['fDomain']);
+   if (escape_string (strtolower($_POST['fAddress'])) == "*") $fAddress = "@" . escape_string ($_POST['fDomain']);
 
    $result = db_query ("SELECT * FROM $table_alias WHERE address='$fAddress'");
    if ($result['rows'] == 1)
    {
       $error = 1;
-      $tAddress = escape_string ($_POST['fAddress']);
+      $tAddress = escape_string (strtolower($_POST['fAddress']));
       $tGoto = $fGoto;
       $tDomain = $fDomain;
       $pCreate_alias_address_text = $PALANG['pCreate_alias_address_text_error2'];
Index: admin/create-mailbox.php
===================================================================
--- admin/create-mailbox.php.original	(revision 1)
+++ admin/create-mailbox.php	(working copy)
@@ -68,7 +68,7 @@
    $pCreate_mailbox_name_text = $PALANG['pCreate_mailbox_name_text'];
    $pCreate_mailbox_quota_text = $PALANG['pCreate_mailbox_quota_text'];
   
-   if (isset ($_POST['fUsername']) && isset ($_POST['fDomain'])) $fUsername = escape_string ($_POST['fUsername']) . "@" . escape_string ($_POST['fDomain']);
+   if (isset ($_POST['fUsername']) && isset ($_POST['fDomain'])) $fUsername = escape_string (strtolower($_POST['fUsername'])) . "@" . escape_string ($_POST['fDomain']);
    $fUsername = strtolower ($fUsername);
    if (isset ($_POST['fPassword'])) $fPassword = escape_string ($_POST['fPassword']);
    if (isset ($_POST['fPassword2'])) $fPassword2 = escape_string ($_POST['fPassword2']);
@@ -81,7 +81,7 @@
    if (!check_mailbox ($fDomain))
    {
       $error = 1;
-      $tUsername = escape_string ($_POST['fUsername']);
+      $tUsername = escape_string (strtolower($_POST['fUsername']));
       $tName = $fName;
       $tQuota = $fQuota;
       $tDomain = $fDomain;
@@ -91,7 +91,7 @@
    if (empty ($fUsername) or !check_email ($fUsername))
    {
       $error = 1;
-      $tUsername = escape_string ($_POST['fUsername']);
+      $tUsername = escape_string (strtolower($_POST['fUsername']));
       $tName = $fName;
       $tQuota = $fQuota;
       $tDomain = $fDomain;
@@ -107,7 +107,7 @@
       else
       {
 			$error = 1;
-			$tUsername = escape_string ($_POST['fUsername']);
+			$tUsername = escape_string (strtolower($_POST['fUsername']));
 			$tName = $fName;
 			$tQuota = $fQuota;
 			$tDomain = $fDomain;
@@ -120,7 +120,7 @@
       if (!check_quota ($fQuota, $fDomain))
       {
          $error = 1;
-         $tUsername = escape_string ($_POST['fUsername']);
+         $tUsername = escape_string (strtolower($_POST['fUsername']));
          $tName = $fName;
          $tQuota = $fQuota;
          $tDomain = $fDomain;
@@ -132,7 +132,7 @@
    if ($result['rows'] == 1)
    {
       $error = 1;
-      $tUsername = escape_string ($_POST['fUsername']);
+      $tUsername = escape_string (strtolower($_POST['fUsername']));
       $tName = $fName;
       $tQuota = $fQuota;
       $tDomain = $fDomain;
@@ -151,7 +151,7 @@
          }
          else
          {
-            $maildir = $fDomain . "/" . escape_string ($_POST['fUsername']) . "/";
+            $maildir = $fDomain . "/" . escape_string (strtolower($_POST['fUsername'])) . "/";
          }
       }
       else
Index: admin/create-domain.php
===================================================================
--- admin/create-domain.php.original	(revision 1)
+++ admin/create-domain.php	(working copy)
@@ -51,7 +51,7 @@
 
 if ($_SERVER['REQUEST_METHOD'] == "POST")
 {
-   if (isset ($_POST['fDomain'])) $fDomain = escape_string ($_POST['fDomain']);
+   if (isset ($_POST['fDomain'])) $fDomain = escape_string (strtolower($_POST['fDomain']));
    !empty ($_POST['fDescription']) ? $fDescription = escape_string ($_POST['fDescription']) : $fDescription = "No Description";
    if (isset ($_POST['fAliases'])) $fAliases = escape_string ($_POST['fAliases']);
    if (isset ($_POST['fMailboxes'])) $fMailboxes = escape_string ($_POST['fMailboxes']);
@@ -63,7 +63,7 @@
    if (empty ($fDomain) or domain_exist ($fDomain) or !check_domain ($fDomain))
    {
       $error = 1;
-      $tDomain = escape_string ($_POST['fDomain']);
+      $tDomain = escape_string (strtolower($_POST['fDomain']));
       $tDescription = escape_string ($_POST['fDescription']);
       $tAliases = escape_string ($_POST['fAliases']);
       $tMailboxes = escape_string ($_POST['fMailboxes']);
Index: admin/create-admin.php
===================================================================
--- admin/create-admin.php.original	(revision 1)
+++ admin/create-admin.php	(working copy)2007-06-08 20:43:10.000000000 -0600
@@ -46,7 +46,7 @@
 
 if ($_SERVER['REQUEST_METHOD'] == "POST")
 {
-   if (isset ($_POST['fUsername'])) $fUsername = escape_string ($_POST['fUsername']);
+   if (isset ($_POST['fUsername'])) $fUsername = escape_string (strtolower($_POST['fUsername']));
    if (isset ($_POST['fPassword'])) $fPassword = escape_string ($_POST['fPassword']);
    if (isset ($_POST['fPassword2'])) $fPassword2 = escape_string ($_POST['fPassword2']);
    if (!empty ($_POST['fDomains'])) $fDomains = $_POST['fDomains'];
@@ -54,7 +54,7 @@
    if (!check_email ($fUsername))
    {
       $error = 1;
-      if (isset ($_POST['fUsername'])) $tUsername = escape_string ($_POST['fUsername']);
+      if (isset ($_POST['fUsername'])) $tUsername = escape_string (strtolower($_POST['fUsername']));
       if (isset ($_POST['fDomains'])) $tDomains = $_POST['fDomains'];
       $pAdminCreate_admin_username_text = $PALANG['pAdminCreate_admin_username_text_error1'];
    }
@@ -62,7 +62,7 @@
    if (empty ($fUsername) or admin_exist ($fUsername))
    {
       $error = 1;
-      $tUsername = escape_string ($_POST['fUsername']);
+      $tUsername = escape_string (strtolower($_POST['fUsername']));
       if (isset ($_POST['fDomains'])) $tDomains = $_POST['fDomains'];
       $pAdminCreate_admin_username_text = $PALANG['pAdminCreate_admin_username_text_error2'];
    }
@@ -76,7 +76,7 @@
       else
       {
 			$error = 1;
-			if (isset ($_POST['fUsername'])) $tUsername = escape_string ($_POST['fUsername']);
+			if (isset ($_POST['fUsername'])) $tUsername = escape_string (strtolower($_POST['fUsername']));
 			if (isset ($_POST['fDomains'])) $tDomains = $_POST['fDomains'];
 			$pAdminCreate_admin_username_text = $PALANG['pAdminCreate_admin_username_text'];
 			$pAdminCreate_admin_password_text = $PALANG['pAdminCreate_admin_password_text_error'];