diff --git a/mailboxes/config_info.pl b/mailboxes/config_info.pl
index a9d0312cf..03a81bd8f 100644
--- a/mailboxes/config_info.pl
+++ b/mailboxes/config_info.pl
@@ -3,6 +3,7 @@ do '../web-lib-funcs.pl';
 sub show_userIgnoreList
 {
   my($ig_usr) = shift(@_) || '';
+  $ig_usr =~ s/\t/\n/g;
   my($preta)  = '<TEXTAREA NAME="ignore_users" COLS="35" ROWS="4">';
   my($postta) = '</TEXTAREA>';
 
@@ -16,5 +17,6 @@ sub show_userIgnoreList
 
 sub parse_userIgnoreList
 {
+  $in{'ignore_users'} =~ s/\r?\n/\t/g;
   return $in{'ignore_users'};
 }
diff --git a/mailboxes/mailboxes-lib.pl b/mailboxes/mailboxes-lib.pl
index 0ee3ebcb0..0b8a27f38 100644
--- a/mailboxes/mailboxes-lib.pl
+++ b/mailboxes/mailboxes-lib.pl
@@ -17,6 +17,8 @@ if ($config{'mail_system'} == 3) {
 	&save_module_config() if ($config{'mail_system'} != 3);
 	}
 
+@ignore_users_list = &split_quoted_string($config{'ignore_users'});
+
 # send_mail_program(from, to)
 # Returns the command for injecting email, based on the mail system in use
 sub send_mail_program
@@ -400,7 +402,7 @@ if ($config{'sort_mode'} == 2 || $config{'show_size'} > 0 || $_[1] ||
 	# Need to check folders
 	foreach $u (@users) {
     		next if ($config{'ignore_users_enabled'} == 1 &&
-			 $config{'ignore_users'} =~ /$u->[0]/);
+			 &indexof($u->[0], @ignore_users_list) >= 0);
 		local @folders = &list_user_folders(@$u);
 		$foldercount{$u->[0]} = scalar(@folders);
 		if ($config{'sort_mode'} == 2 ||
@@ -457,7 +459,7 @@ elsif ($config{'show_size'} == 2) {
 	foreach $u (@users) {
 		local $g = getgrgid($u->[3]);
 	        next if ($config{'ignore_users_enabled'} == 1 &&
-			 $config{'ignore_users'} =~ /$u->[0]/);
+			 &indexof($u->[0], @ignore_users_list) >= 0);
 		$u->[6] =~ s/,.*$// if ($uconfig{'extra_real'});
 		local $home = $u->[7];
 		if (length($home) > 30) {
@@ -489,7 +491,7 @@ else {
 	local $i = 0;
 	foreach $u (@users) {
 	        next if ($config{'ignore_users_enabled'} == 1 &&
-			 $config{'ignore_users'} =~ /$u->[0]/);
+			 &indexof($u->[0], @ignore_users_list) >= 0);
 		print "<tr>\n" if ($i % $config{'column_count'} == 0);
 		print "<td width=", int(100/$config{'column_count'}), "%><a href='list_mail.cgi?user=$u->[0]'>";
 		print $u->[0];