diff --git a/mxmount/mxmount b/mxmount/mxmount
index 47d69d6..ed7d2ae 100755
--- a/mxmount/mxmount
+++ b/mxmount/mxmount
@@ -64,7 +64,7 @@ sub add_data0_if_not_present {
 
 sub create_exports {
     my $allmp = $D{$hostname};
-    my @CMD;
+    my $newexport=system('hostconfig newexport')==0;
 
     open(EXPORTS, '>', $exports) or die "can't open $exports: $!";
 
@@ -78,11 +78,24 @@ sub create_exports {
 
     foreach my $mp (@$allmp) {
         next if($mp->{noexport});
-        @CMD = ($mp->{mountpoint}, $mp->{exportopts});
-
-        print join " ", "$exports: ", @CMD, "\n";
-        print EXPORTS join " ", @CMD, "\n";
-
+        unless ($newexport) {
+            my @CMD = ($mp->{mountpoint}, $mp->{exportopts});
+            print join " ", "$exports: ", @CMD, "\n";
+            print EXPORTS join " ", @CMD, "\n";
+        } else {
+            my ($mountpoint,$exportopts)=($mp->{mountpoint}, $mp->{exportopts});    # '/amd/theinternet/1','@amd(sync,rw,...)'
+            my ($hostspec,$optspec)=$exportopts=~/^([^(]+)(.*)/;                    # '@amd','(sync,rw,...)'
+            my ($opts)=$optspec=~/\((.*)\)/;                                        # 'sync,rw,...'
+            my $hosts='';
+            warn "export $mountpoint to $hostspec opts $opts\n";
+            if (my ($group) = $hostspec=~/^@(.+)/) {
+                $hosts=`hostconfig --list $group`;                      # expanded group
+                $hosts or warn "group $group is empty\n";
+            } else {
+                $hosts=$hostspec;                                       # single host
+            }
+            $hosts and printf EXPORTS "%s -%s %s\n",$mountpoint,$opts,$hosts;
+        }
     }
     close EXPORTS;
 }