<deon[m]> could be helpful if "l" (list) shows the index id needed as well

src/sbbs3/smbutil.c

@@ -526,8 +526,8 @@ void listmsgs(ulong start, ulong count)
 				,beep,i,smb.last_error);
 			break; 
 		}
-		printf("%4"PRIu32" %-25.25s %-25.25s %s\n"
-			,msg.hdr.number,msg.from,msg.to,msg.subj);
+		printf("%4lu/#%-4"PRIu32" %-25.25s %-25.25s %s\n"
+			,start + l, msg.hdr.number,msg.from,msg.to,msg.subj);
 		smb_freemsgmem(&msg);
 		l++; 
 	}