add mail notification
diff --git a/include/types/global.h b/include/types/global.h
index f1525ae..6082211 100644
--- a/include/types/global.h
+++ b/include/types/global.h
@@ -96,6 +96,9 @@
 	struct freq_ctr ssl_be_keys_per_sec;
 	struct freq_ctr comp_bps_in;	/* bytes per second, before http compression */
 	struct freq_ctr comp_bps_out;	/* bytes per second, after http compression */
+	int email_alert;
+	char email_to[50];
+	char email_from[50];	
 	int cps_lim, cps_max;
 	int sps_lim, sps_max;
 	int ssl_lim, ssl_max;