diff -ur postfix-2.0.16/src/smtp/smtp_connect.c postfix-2.0.16+++/src/smtp/smtp_connect.c
--- postfix-2.0.16/src/smtp/smtp_connect.c	Sat Sep 13 09:35:53 2003
+++ postfix-2.0.16+++/src/smtp/smtp_connect.c	Wed Nov  5 20:20:52 2003
@@ -375,7 +375,7 @@
      * to the optional fall-back relays.
      */
     sites = argv_alloc(1);
-    argv_add(sites, destination, (char *) 0);
+    argv_split_append(sites, destination, ", \t\r\n");
     argv_split_append(sites, var_fallback_relay, ", \t\r\n");
 
     for (cpp = sites->argv; (dest = *cpp) != 0; cpp++) {
Only in postfix-2.0.16+++/src/smtp: smtp_connect.c~