int smtp_ch_index = 0;
uschar *smtp_cmd_argument = NULL;
uschar *smtp_cmd_buffer = NULL;
-time_t smtp_connection_start = 0;
+struct timeval smtp_connection_start = {0,0};
uschar smtp_connection_had[SMTP_HBUFF_SIZE];
int smtp_connect_backlog = 20;
double smtp_delay_mail = 0.0;