diff --git a/doc/rpm-build/apache.conf b/doc/rpm-build/apache.conf
index e2fb3f7cd4..e576e9ddbb 100644
--- a/doc/rpm-build/apache.conf
+++ b/doc/rpm-build/apache.conf
@@ -32,7 +32,7 @@ RedirectMatch ^(/principals/users/.*)$ /egroupware/groupdav.php$1
   # E_ALL & ~E_NOTICE & ~E_STRICT = 8191 - 8 - 2048 = 6135
   php_value error_reporting 6135
   php_value max_execution_time 90
-  php_admin_value mbstring.func_overload 7
+  php_admin_value mbstring.func_overload 0
   php_value memory_limit 128M
   php_value include_path .:/usr/share/pear
   php_admin_value open_basedir /usr/share/egroupware:/var/lib/egroupware:/tmp:/usr/share/pear:/usr/bin/zip:/usr/share/jpgraph:/usr/bin/tnef:/usr/bin/aspell:/usr/share/fonts
@@ -66,9 +66,3 @@ RedirectMatch ^(/principals/users/.*)$ /egroupware/groupdav.php$1
 <Directory /usr/share/egroupware/gallery/>
     php_admin_value open_basedir /usr/share/egroupware:/var/lib/egroupware:/tmp:/usr/share/pear:/usr/bin:/bin
 </Directory>
-
-<Location /egroupware/rpc.php>
-    php_admin_value mbstring.func_overload 0
-    Order allow,deny
-    Allow from all
-</Location>
diff --git a/mail/setup/setup.inc.php b/mail/setup/setup.inc.php
index 8097fa27a0..f350296c97 100644
--- a/mail/setup/setup.inc.php
+++ b/mail/setup/setup.inc.php
@@ -78,6 +78,12 @@ $setup_info['mail']['check_install'] = array(
 		'value' => 0,
 		'verbose_value' => 'Off',
 	),
+	'mbstring.func_overload' => array(
+		'func' => 'php_ini_check',
+		'value' => 0,
+		'warning' => '<div class="setup_info">' . lang('mbstring.func_overload=0 is required for correct mail processing!') . "</div>",
+		'change' => check_load_extension('mbstring') ? 'mbstring.func_overload = 0' : '',
+	),
 	'tnef' => array(
 		'func' => 'tnef_check',
 	),
diff --git a/setup/check_install.php b/setup/check_install.php
index 51fa7c933c..e7419c1edd 100644
--- a/setup/check_install.php
+++ b/setup/check_install.php
@@ -80,7 +80,7 @@ $checks = array(
 	),
 	'memory_limit' => array(
 		'func' => 'php_ini_check',
-		'value' => '24M',
+		'value' => '128M',
 		'check' => '>=',
 		'error' => lang('memory_limit is set to less than %1: some applications of eGroupWare need more than the recommend 8M, expect occasional failures','24M'),
 		'change' => 'memory_limit = 24M'
@@ -150,6 +150,7 @@ $checks = array(
 		'func' => 'extension_check',
 		'warning' => lang('The %1 extension is needed, if you plan to use a %2 database.','pdo_pgsql','pgSQL')
 	),
+	/* disable checks for other database extensions, as we are not really supporting them anymore
 	'mssql' => array(
 		'func' => 'extension_check',
 		'warning' => lang('The %1 extension is needed, if you plan to use a %2 database.','mssql','MsSQL'),
@@ -175,17 +176,11 @@ $checks = array(
 	'pdo_oci' => array(
 		'func' => 'extension_check',
 		'warning' => lang('The %1 extension is needed, if you plan to use a %2 database.','pdo_oci','Oracle'),
-	),
+	),*/
 	'mbstring' => array(
 		'func' => 'extension_check',
 		'warning' => lang('The mbstring extension is needed to fully support unicode (utf-8) or other multibyte-charsets.')
 	),
-	'mbstring.func_overload' => array(
-		'func' => 'php_ini_check',
-		'value' => 7,
-		'warning' => '<div class="setup_info">' . lang('The mbstring.func_overload = 7 is needed to fully support unicode (utf-8) or other multibyte-charsets.') . "</div>",
-		'change' => check_load_extension('mbstring') ? 'mbstring.func_overload = 7' : '',
-	),
 	'ldap' => array(
 		'func' => 'extension_check',
 		'warning' => lang("The ldap extension is needed, if you use ldap as account or contact storage, authenticate against ldap or active directory. It's not needed for a standard SQL installation."),
@@ -429,15 +424,6 @@ function pear_check($package,$args)
 			echo ' '.lang('PEAR (%1) is a PHP repository and is usually in a package called %2.',
 				'<a href="http://pear.php.net" target="_blank">pear.php.net</a>','php-pear');
 		}
-		elseif ($min_version && !$version_available)
-		{
-			echo ' '.lang('We could not determine the version of %1, please make sure it is at least %2',$package,$min_version);
-		}
-		elseif ($min_version && version_compare($min_version,$version_available) > 0)
-		{
-			echo ' '.lang('Your installed version of %1 is %2, required is at least %3, please run: ',
-				$package,$version_available,$min_version).' pear update '.$package;
-		}
 		elseif ($package)
 		{
 			echo ' '.lang('You can install it by running:').
@@ -446,6 +432,15 @@ function pear_check($package,$args)
 		}
 		echo "</div>";
 	}
+	elseif ($min_version && !$version_available)
+	{
+		echo '<div class="setup_info">'.lang('We could not determine the version of %1, please make sure it is at least %2',$package,$min_version).'</div>';
+	}
+	elseif ($min_version && version_compare($min_version,$version_available) > 0)
+	{
+		echo '<div class="setup_info">'.lang('Your installed version of %1 is %2, required is at least %3, please run: ',
+			$package,$version_available,$min_version).' pear update '.$package.'</div>';
+	}
 	echo "\n";
 
 	return $available;