diff --git a/plugins/other/horde b/plugins/other/horde
new file mode 100755
index 00000000..6fb91ea3
--- /dev/null
+++ b/plugins/other/horde
@@ -0,0 +1,66 @@
+#!/bin/bash
+#
+# Script to show number of logins, errors and failed logins in horde3
+#
+#
+# by Patrick Z.
+# Comments and improvements can be sent to (admin<AT>tournament'dot'DE)
+#
+# possible problems:
+# - horde3.log isn't readable by user munin (see
+#   /var/log/munin/munin-node.log for errors)
+#
+# -to solve, copy this in /etc/munin/plugin-conf.d/munin-node
+#  [horde3]
+#  user root
+#
+#
+# formely known as postfix_mail_stats by:
+# Boudewijn Ector, for Boudewijn Ector IT.
+# Loosely based on http://munin.projects.linpro.no/attachment/wiki/PluginCat/postfix_messages_hourly.txt
+#
+#
+# Parameters understood:
+#
+#       config   (required)
+#       autoconf (optional - used by munin-config)
+#
+#
+# Magic markers (optional - used by munin-config and installation
+# scripts):
+#
+#%# family=auto
+#%# capabilities=autoconf
+
+
+LOGFILE=/var/log/horde/horde3.log
+DATE=`date '+%b %d %H'`
+MAXLABEL=20
+
+if [ "$1" = "autoconf" ]; then
+        echo yes
+        exit 0
+fi
+
+if [ "$1" = "config" ]; then
+
+        echo 'graph_title horde3'
+        echo 'graph_info This graph shows Horde3 logins, logouts and errors.'
+        echo 'graph_vlabel per hour'
+        echo 'logins.label logins'
+        echo 'failedlogins.label failed logins'
+        echo 'allerrors.label errors'
+        echo 'logouts.label logouts'
+        exit 0
+fi
+
+echo -en "logins.value "
+echo $(grep "Login success for" $LOGFILE | grep "$DATE" | wc -l)
+echo -n
+echo -en "failedlogins.value "
+echo $(grep "FAILED LOGIN" $LOGFILE | grep "$DATE" | wc -l)
+echo -en "allerrors.value "
+echo $(grep "error" $LOGFILE | grep "$DATE" | wc -l)
+echo -en "logouts.value "
+echo $(grep "Logout for" $LOGFILE | grep "$DATE" | wc -l)
+