X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/2d0dc9298e36bb9c010ede2c42db16e3ab00da79..107077d7fd6736711bf5cd980221723401d37c51:/src/src/routers/rf_self_action.c

diff --git a/src/src/routers/rf_self_action.c b/src/src/routers/rf_self_action.c
index 9a4dc3cc7..d6542583e 100644
--- a/src/src/routers/rf_self_action.c
+++ b/src/src/routers/rf_self_action.c
@@ -2,8 +2,10 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
+/* Copyright (c) The Exim Maintainers 2023 */
 /* Copyright (c) University of Cambridge 1995 - 2009 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 
 #include "../exim.h"
@@ -73,7 +75,7 @@ switch (code)
     and where it has come from. Otherwise, during message delivery, the normal
     logging for the address will be sufficient. */
 
-    if (message_id[0] == 0)
+    if (!message_id[0])
       if (sender_fullhost)
 	log_write(0, LOG_MAIN, "%s: %s (while verifying <%s> from host %s)",
 	  msg, addr->domain, addr->address, sender_fullhost);