extern uschar *gnutls_require_proto; /* So some can be avoided */
extern uschar *openssl_options; /* OpenSSL compatibility options */
extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
-extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
extern uschar *tls_certificate; /* Certificate file */
extern uschar *tls_channelbinding_b64; /* string of base64 channel binding */
extern uschar *tls_crl; /* CRL File */
extern int tls_dh_max_bits; /* don't accept higher lib suggestions */
extern uschar *tls_dhparam; /* DH param file */
extern uschar *tls_eccurve; /* EC curve */
-#ifndef DISABLE_OCSP
+# ifndef DISABLE_OCSP
extern uschar *tls_ocsp_file; /* OCSP stapling proof file */
-#endif
+# endif
extern BOOL tls_offered; /* Server offered TLS */
extern uschar *tls_privatekey; /* Private key file */
extern BOOL tls_remember_esmtp; /* For YAEB */
extern uschar *tls_verify_certificates;/* Path for certificates to check */
extern uschar *tls_verify_hosts; /* Mandatory client verification */
#endif
+extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
extern uschar *dsn_envid; /* DSN envid string */
extern int dsn_ret; /* DSN ret type*/
extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
extern int bsmtp_transaction_linecount; /* Start of last transaction */
+extern uschar *callout_address; /* Address used for a malware/spamd/verify etc. callout */
extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
extern BOOL disable_logging; /* Disables log writing when TRUE */
#ifndef DISABLE_DKIM
+extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */
extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
+extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */
+extern int dkim_key_length; /* Expansion variable, length of signing key in bits */
extern uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */
extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */
extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */
extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */
-extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */
-extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */
#endif
#ifdef EXPERIMENTAL_DMARC
extern BOOL dmarc_has_been_checked; /* Global variable to check if test has been called yet */
extern uschar *process_log_path; /* Alternate path */
extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
-#ifdef EXPERIMENTAL_PROXY
+#ifdef SUPPORT_PROXY
+extern uschar *hosts_proxy; /* Hostlist which (require) use proxy protocol */
extern uschar *proxy_host_address; /* IP of host being proxied */
extern int proxy_host_port; /* Port of host being proxied */
-extern uschar *proxy_required_hosts; /* Hostlist which (require) use proxy protocol */
extern BOOL proxy_session; /* TRUE if receiving mail from valid proxy */
extern BOOL proxy_session_failed; /* TRUE if required proxy negotiation failed */
extern uschar *proxy_target_address; /* IP of proxy server inbound */
extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
-extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */
extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
+extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */
+extern uschar *regex_vars[]; /* $regexN variables */
#ifdef WHITELIST_D_MACROS
extern const pcre *regex_whitelisted_macro; /* For -D macro values */
#endif