diff --git a/egw-pear/Net/Sieve.php b/egw-pear/Net/Sieve.php
index 8f2a228326..6a9edf93c6 100644
--- a/egw-pear/Net/Sieve.php
+++ b/egw-pear/Net/Sieve.php
@@ -130,11 +130,11 @@ class Net_Sieve
     * The auth methods this class support
     * @var array
     */
-    var $supportedAuthMethods=array('DIGEST-MD5', 'CRAM-MD5', 'PLAIN' , 'LOGIN');
+    //var $supportedAuthMethods=array('DIGEST-MD5', 'CRAM-MD5', 'PLAIN' , 'LOGIN');
     //if you have problems using DIGEST-MD5 authentication  please comment the line above and uncomment the following line
     //var $supportedAuthMethods=array( 'CRAM-MD5', 'PLAIN' , 'LOGIN');
-
-    //var $supportedAuthMethods=array( 'PLAIN' , 'LOGIN');
+    // TODO: since we seem to have major problems authenticating via DIGEST-MD5 and CRAM-MD5 in SIEVE, we skip MD5-METHODS for now
+    var $supportedAuthMethods=array( 'PLAIN' , 'LOGIN');
 
     /**
     * The auth methods this class support