diff --git a/ChangeLog b/ChangeLog
index fe73c096..6150aea7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -26,7 +26,9 @@ ver. 0.8.4 (2008/??/??) - stable
   Debian bug #500824.
 - Added nagios script. Thanks to Sebastian Mueller.
 - Added CPanel date format. Thanks to David Collins. Tracker
-  #1967610
+  #1967610.
+- Improved SASL filter. Thanks to Loic Pefferkorn. Tracker
+  #2310410.
 
 ver. 0.8.3 (2008/07/17) - stable
 ----------
diff --git a/config/filter.d/sasl.conf b/config/filter.d/sasl.conf
index c25aca6b..bff6f92b 100644
--- a/config/filter.d/sasl.conf
+++ b/config/filter.d/sasl.conf
@@ -14,7 +14,7 @@
 #          (?:::f{4,6}:)?(?P<host>\S+)
 # Values: TEXT
 #
-failregex = : warning: [-._\w]+\[<HOST>\]: SASL (?:LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed$
+failregex = (?i): warning: [-._\w]+\[<HOST>\]: SASL (?:LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed(: [A-Za-z0-9+/]*={0,2})?$
 
 # Option:  ignoreregex
 # Notes.:  regex to ignore. If this regex matches, the line is ignored.