extern uschar *tls_try_verify_hosts; /* Optional client verification */
extern uschar *tls_verify_certificates;/* Path for certificates to check */
extern uschar *tls_verify_hosts; /* Mandatory client verification */
+extern int tls_watch_fd; /* for inotify of creds files */
+extern time_t tls_watch_trigger_time; /* non-0: triggered */
#endif
extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
extern uschar *config_main_directory; /* Directory where the main config file was found */
extern uid_t config_uid; /* Additional owner */
extern uschar *continue_proxy_cipher; /* TLS cipher for proxied continued delivery */
+extern BOOL continue_proxy_dane; /* proxied conn is DANE */
+extern uschar *continue_proxy_sni; /* proxied conn SNI */
extern uschar *continue_hostname; /* Host for continued delivery */
extern uschar *continue_host_address; /* IP address for ditto */
extern int continue_sequence; /* Sequence num for continued delivery */
extern int dns_retrans; /* Retransmission time setting */
extern int dns_retry; /* Number of retries */
extern int dns_dnssec_ok; /* When constructing DNS query, set DO flag */
+extern const uschar * dns_rc_names[]; /* Mostly for debug output */
extern uschar *dns_trust_aa; /* DNSSEC trust AA as AD */
extern int dns_use_edns0; /* Coerce EDNS0 support on/off in resolver. */
extern uschar *dnslist_domain; /* DNS (black) list domain */
extern int proxy_external_port; /* Port on remote interface of proxy */
extern uschar *proxy_local_address; /* IP of local interface of proxy */
extern int proxy_local_port; /* Port on local interface of proxy */
+extern int proxy_protocol_timeout; /* Timeout for proxy negotiation */
extern BOOL proxy_session; /* TRUE if receiving mail from valid proxy */
#endif
extern int smtp_accept_max; /* Max SMTP connections */
extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
-extern int smtp_accept_max_per_connection; /* Max msgs per connection */
+extern uschar *smtp_accept_max_per_connection; /* Max msgs per connection */
extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
extern int smtp_accept_queue; /* Queue after so many connections */
extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
extern int string_datestamp_type; /* After insertion by string_format */
extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
-extern uschar *submission_domain; /* Domain for submission mode */
-extern uschar *submission_name; /* User name set from ACL */
+extern const uschar *submission_domain;/* Domain for submission mode */
+extern const uschar *submission_name; /* User name set from ACL */
extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
extern int syslog_facility; /* As defined by Syslog.h */
extern BOOL syslog_pid; /* TRUE if PID on syslogs */