diff --git a/ChangeLog b/ChangeLog
index 57b03e18..2a78fcdd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -59,6 +59,7 @@ configuration before relying on it.
    * Filter for stunnel
    * Filter for Counter Strike 1.6. Thanks to onorua for logs.
      Close gh-347
+   * Filter for squirrelmail. Close gh-261
 
 - Enhancements
    * Jail names increased to 26 characters and iptables prefix reduced
diff --git a/config/filter.d/squirrelmail.conf b/config/filter.d/squirrelmail.conf
index 124ca2f8..9defd8d6 100644
--- a/config/filter.d/squirrelmail.conf
+++ b/config/filter.d/squirrelmail.conf
@@ -1,4 +1,13 @@
 
 [Definition]
 
-failregex = ^ \[LOGIN_ERROR\].*from <HOST>: Unknown user or password incorrect.$
+failregex = ^ \[LOGIN_ERROR\].*from <HOST>: Unknown user or password incorrect\.$
+
+
+[Init]
+
+datepattern = ^%%m/%%d/%%Y %%H:%%M:%%S
+
+# DEV NOTES:
+#
+# Author: Daniel Black