--- loncom/lonnet/perl/lonnet.pm	2005/10/12 16:50:37	1.663
+++ loncom/lonnet/perl/lonnet.pm	2005/10/14 19:08:42	1.664
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.663 2005/10/12 16:50:37 raeburn Exp $
+# $Id: lonnet.pm,v 1.664 2005/10/14 19:08:42 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1862,10 +1862,11 @@ sub dcmaildump {
     foreach my $tryserver (keys(%libserv)) {
         if ($hostdom{$tryserver} eq $dom) {
             %{$returnhash{$tryserver}}=();
-            foreach (
-                split(/\&/,&reply('dcmaildump:'.$dom.':'.
-                   &escape($startdate).':'.&escape($enddate).':'.
-                   &escape($senders), $tryserver))) {
+	    my $cmd='dcmaildump:'.$dom.':'.
+		&escape($startdate).':'.&escape($enddate).':';
+	    my @esc_senders=map { &escape($_)} @$senders;
+	    $cmd.=&escape(join('&',@esc_senders));
+	    foreach (split(/\&/,&reply($cmd,$tryserver))) {
                 my ($key,$value) = split(/\=/,$_);
                 if (($key) && ($value)) {
                     $returnhash{$tryserver}{&unescape($key)} = &unescape($value);