diff -ruN /usr/ports/comms/bforce-kst/files/patch-nlookup.c ./bforce-kst/files/patch-nlookup.c
--- /usr/ports/comms/bforce-kst/files/patch-nlookup.c	Thu Jan  1 03:00:00 1970
+++ ./bforce-kst/files/patch-nlookup.c	Sat Jun 19 07:07:51 2004
@@ -0,0 +1,48 @@
+--- bfutil/nlookup.c.orig	Thu Aug 30 16:33:51 2001
++++ bfutil/nlookup.c	Sat Jun 19 07:05:34 2004
+@@ -28,15 +28,34 @@
+ static void usage(void)
+ {
+ 	printf_usage("nodelist lookup utility",
+-		"usage: nlookup [-rh] <address>\n"
++		"usage: nlookup [-rmh] <address>\n"
+ 		"\n"
+ 		"options:\n"
+ 		"  -r                show nodelist string\n"
++		"  -m                show email address\n"
+ 		"  -h                show this help message\n"
+ 		"\n"
+ 	);
+ }
+ 
++void print_nodemail(const s_node *node)
++{
++	char abuf[BF_MAXADDRSTR+1];
++
++	if( node->sysop && *node->sysop && strcmp(node->sysop, "<none>") )
++	{
++		char username[BNI_MAXSYSOP+1];
++		
++		strnxcpy(username, node->sysop, sizeof(node->sysop));
++		string_replchar(username, ' ', '_');
++
++		printf("%s@%s.fidonet.org\n", username,
++			    ftn_addrstr_inet(abuf, node->addr));
++	}
++	
++	fflush(stdout);
++}
++
+ void print_nodeinfo(const s_node *node)
+ {
+ 	char abuf[BF_MAXADDRSTR+1];
+@@ -124,6 +143,9 @@
+ 	}
+ 	else if( nodelist_lookup(&node, addr) == 0 )
+ 	{
++	    if( emailaddr )
++		print_nodemail(&node);
++	    else
+ 		print_nodeinfo(&node);
+ 	}
+