diff -Naur /home/qqnagio/software/nagios/nagios-plugins-1.4.11/plugins-scripts/check_mailq.pl /home/qqnagio/software/nagios/nagios-plugins-1.4.11.sudomailq/plugins-scripts/check_mailq.pl
--- /home/qqnagio/software/nagios/nagios-plugins-1.4.11/plugins-scripts/check_mailq.pl	2006-07-05 15:45:57.000000000 +0200
+++ /home/qqnagio/software/nagios/nagios-plugins-1.4.11.sudomailq/plugins-scripts/check_mailq.pl	2008-01-23 14:52:01.556368612 +0100
@@ -62,12 +62,29 @@
 };
 alarm($opt_t);
 
+# if there is an entry in the sudoers file which allows the caller of this
+# plugin to execute the $utils::PATH_TO_MAILQ command with superuser privileges
+# then prepend $utils::PATH_TO_MAILQ with "sudo "
+
+sub sudoize {
+	my $ppath_to_mailq = shift;
+	if (grep(/$$ppath_to_mailq/,
+	    map { s/^\s+//g; s/\s+$//g; $_; }
+	    map { split /, / }
+	    map { s/^.*?://g; $_; }
+	    do { local (@ARGV) = "/usr/bin/sudo -l |"; <> })) {
+		$$ppath_to_mailq = "/usr/bin/sudo ".$$ppath_to_mailq;
+	}
+}
+
+
 # switch based on MTA
 
 if ($mailq eq "sendmail") {
 
 	## open mailq 
 	if ( defined $utils::PATH_TO_MAILQ && -x $utils::PATH_TO_MAILQ ) {
+		sudoize(\$utils::PATH_TO_MAILQ);
 		if (! open (MAILQ, "$utils::PATH_TO_MAILQ | " ) ) {
 			print "ERROR: could not open $utils::PATH_TO_MAILQ \n";
 			exit $ERRORS{'UNKNOWN'};
@@ -297,6 +314,7 @@
 
      ## open mailq
         if ( defined $utils::PATH_TO_MAILQ && -x $utils::PATH_TO_MAILQ ) {
+		sudoize(\$utils::PATH_TO_MAILQ);
                 if (! open (MAILQ, "$utils::PATH_TO_MAILQ | " ) ) {
                         print "ERROR: could not open $utils::PATH_TO_MAILQ \n";
                         exit $ERRORS{'UNKNOWN'};
@@ -379,6 +397,7 @@
 
 	# open qmail-qstat 
 	if ( defined $utils::PATH_TO_QMAIL_QSTAT && -x $utils::PATH_TO_QMAIL_QSTAT ) {
+		sudoize(\$utils::PATH_TO_MAILQ);
 		if (! open (MAILQ, "$utils::PATH_TO_QMAIL_QSTAT | " ) ) {
 			print "ERROR: could not open $utils::PATH_TO_QMAIL_QSTAT \n";
 			exit $ERRORS{'UNKNOWN'};
@@ -461,6 +480,7 @@
 elsif ( $mailq eq "exim" ) {
 	## open mailq 
 	if ( defined $utils::PATH_TO_MAILQ && -x $utils::PATH_TO_MAILQ ) {
+		sudoize(\$utils::PATH_TO_MAILQ);
 		if (! open (MAILQ, "$utils::PATH_TO_MAILQ | " ) ) {
 			print "ERROR: could not open $utils::PATH_TO_MAILQ \n";
 			exit $ERRORS{'UNKNOWN'};