diff -urEbwB shadow-4.6/src/userdel.c shadow-4.6.new/src/userdel.c
--- shadow-4.6/src/userdel.c	2018-04-29 18:42:37.000000000 +0200
+++ shadow-4.6.new/src/userdel.c	2018-05-14 16:13:43.996280216 +0200
@@ -125,7 +125,7 @@
 static void fail_exit (int);
 static void open_files (void);
 static void update_user (void);
-static void user_cancel (const char *);
+static void call_script (const char *, const char *);
 
 #ifdef EXTRA_CHECK_HOME_DIR
 static bool path_prefix (const char *, const char *);
@@ -767,13 +767,13 @@
  *	cron, at, or print jobs.
  */
 
-static void user_cancel (const char *user)
+static void call_script (const char *program, const char *user)
 {
 	const char *cmd;
 	const char *argv[3];
 	int status;
 
-	cmd = getdef_str ("USERDEL_CMD");
+	cmd = getdef_str (program);
 	if (NULL == cmd) {
 		return;
 	}
@@ -1213,9 +1213,10 @@
 	}
 
 	/*
-	 * Do the hard stuff - open the files, create the user entries,
-	 * create the home directory, then close and update the files.
+	 * Do the hard stuff - open the files, remove the user entries,
+	 * remove the home directory, then close and update the files.
 	 */
+	call_script ("USERDEL_PRECMD", user_name); 
 	open_files ();
 	update_user ();
 	update_groups ();
@@ -1319,7 +1320,7 @@
 	 * the entry from /etc/passwd.
 	 */
 	if(prefix[0] == '\0')
-		user_cancel (user_name);
+		call_script ("USERDEL_CMD", user_name); 
 	close_files ();
 
 #ifdef WITH_TCB
@@ -1329,6 +1330,9 @@
 	nscd_flush_cache ("passwd");
 	nscd_flush_cache ("group");
 
+	/* Call the post script, for example to rebuild NIS database */
+	call_script ("USERDEL_POSTCMD", user_name);
+
 	return ((0 != errors) ? E_HOMEDIR : E_SUCCESS);
 }