diff --git pthread/smtprc_comb.c pthread/smtprc_comb.c
index 8aaffec..6e4480a 100644
--- pthread/smtprc_comb.c
+++ pthread/smtprc_comb.c
@@ -4150,7 +4150,7 @@ int relay_check(int *sockfd , long cur_host )
       strncat((char * __restrict  )(checking), (char const   * __restrict  )" !",
               8192U);
       printf((char const   * __restrict  )"%s\n", checking);
-      return (-1);
+      return (-2);
     }
     rule___0 ++;
   }