diff --git a/plugins/other/cyrus-imapd b/plugins/other/cyrus-imapd
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+++ b/plugins/other/cyrus-imapd
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+#!/bin/sh
+
+# Copyright (C) 2009 Andreas Thienemann <andreas@bawue.net>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Library General Public License as published by
+# the Free Software Foundation; version 2 only
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+
+# 
+# Plugin to monitor the load on a cyrus imapd server
+#
+# Usage: Link or copy into the munin-node plugin directory
+#
+# Installation node: Should most likely run as root:
+# [cyrus-imapd]
+# user root
+#
+#
+# Magic markers (optional - only used by munin-config and some
+# installation scripts):
+#
+#%# family=contrib
+#%# capabilities=autoconf
+
+# IMAP Configuration Directory
+CONFIGDIR=$(awk -F : '/^configdirectory:/ { gsub(/ /, "", $2); print $2 }' /etc/imapd.conf 2> /dev/null)
+PROCDIR="${CONFIGDIR}/proc"
+
+if [ "$1" = "autoconf" ]; then
+	if [ "x${CONFIGDIR}x" != "xx" ] && [ -d ${PROCDIR} ]; then
+		echo yes
+	else
+		echo no
+	fi
+	exit 0
+fi
+
+# Check if we actually got some sensible data
+if [ "x${CONFIGDIR}x" == "xx" ]; then
+	exit 1
+fi
+
+# If run with the "config"-parameter, give out information on how the
+# graphs should look. 
+ 
+if [ "$1" = "config" ]; then
+	echo 'graph_title Cyrus IMAPd Load'
+	echo 'graph_args --base 1000 -l 0'
+	echo 'graph_vlabel connections'
+	echo 'graph_scale no'
+	echo 'graph_category cyrus'
+	echo 'graph_info Current connections to the imap server. <a href="http://trac.bawue.org/">bawue.net e.V. Trac repository</a>.'
+	echo 'graph_oder connections authenticated_users unique_users'
+	echo 'connections.label Connections'
+	echo 'connections.info Number of connections to the imap server.'
+	echo 'authenticated_users.label Authenticated Users'
+	echo 'authenticated_users.info Number of authenticated users logged into the imap server.'
+	echo 'unique_users.label Unique Users'
+	echo 'unique_users.info Number of unique users on the imap server.'
+
+	# Last, if run with the "config"-parameter, quit here (don't
+	# display any data)
+	exit 0
+fi
+
+# Print the number of connections to the imap server
+echo -n "connections.value "
+ls ${PROCDIR} | wc -l
+
+# Read the proc files and get the logged in users
+echo -n "authenticated_users.value "
+awk '{ split(substr($0, match($0, "]")+1), a); if (a[1] != "") print a[1] }' ${PROCDIR}/* | wc -l
+
+# Read the proc files and get the number of unique users
+echo -n "unique_users.value "
+awk '{ split(substr($0, match($0, "]")+1), a); if (a[1] != "") print a[1] }' ${PROCDIR}/* | sort -u | wc -l
+