--- class.uisieve.inc.php	2007-09-26 19:42:23.000000000 +0200
+++ class.uisieve.inc.patched.php	2007-09-26 19:59:03.000000000 +0200
@@ -216,7 +216,7 @@
 			
 			if(is_array($_vacation['addresses']))
 			{
-				$regexp="/^[a-z0-9]+([_\\.-][a-z0-9]+)*@([a-z0-9]+([\.-][a-z0-9]+)*)+\\.[a-z]{2,}$/i";
+				$regexp="/^[a-z0-9]+([_\\.-][a-z0-9]+)*@([a-z0-9]+([\.-][a-z0-9]+)*)+(\\.[a-z]{2,})*$/i";
 				foreach ($_vacation['addresses'] as $addr)
 				{
 					if (!preg_match($regexp,$addr))