diff -urN exim-3.32.org/src/daemon.c exim-3.32/src/daemon.c
--- exim-3.32.org/src/daemon.c	Tue Aug  7 23:32:54 2001
+++ exim-3.32/src/daemon.c	Tue Aug  7 23:31:08 2001
@@ -698,18 +698,18 @@
 
   else
     {
+    #if HAVE_IPV6
     addresses = store_get(sizeof(ip_address_item));
     addresses->next = NULL;
-    addresses->address[0] = 0;
+    addresses->address[0] = ':';
+    addresses->address[1] = 0;
     listen_socket_count = 1;
+    #endif /* HAVE_IPV6 */
 
-    #if HAVE_IPV6
     addresses->next = store_get(sizeof(ip_address_item));
     addresses->next->next = NULL;
-    addresses->next->address[0] = ':';
-    addresses->next->address[1] = 0;
+    addresses->next->address[0] = 0;
     listen_socket_count++;
-    #endif  /* HAVE_IPV6 */
     }
 
   /* Get a vector to remember all the sockets in */
@@ -856,7 +856,11 @@
   connections that is allowed. */
 
   for (sk = 0; sk < listen_socket_count; sk++)
-    listen(listen_sockets[sk], smtp_connect_backlog);
+    if (listen(listen_sockets[sk], smtp_connect_backlog) < 0)
+      {
+	close(listen_sockets[sk]);
+	listen_socket_count--;
+      }
   }
 
 /* Set up the handler for SIGHUP, which causes a restart of the daemon. */