uschar *bounce_sender_authentication = NULL;
int bsmtp_transaction_linecount = 0;
+uschar *callout_address = NULL;
int callout_cache_domain_positive_expire = 7*24*60*60;
int callout_cache_domain_negative_expire = 3*60*60;
int callout_cache_positive_expire = 24*60*60;
NULL, /* remove_headers */
NULL, /* return_path */
NULL, /* debug_string */
+ NULL, /* max_parallel */
NULL, /* message_size_limit */
NULL, /* headers_rewrite */
NULL, /* rewrite_rules */