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 unsigned dkim_collect_input; /* Runtime count of dkim signtures; 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 void *dkim_signatures; /* Actually a (pdkim_signature *) but most files do not need to know */
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 *dns_again_means_nonexist; /* Domains that are badly set up */
extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
+extern int dns_cname_loops; /* Follow CNAMEs returned by resolver to this depth */
extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
#ifdef SUPPORT_DANE
extern int dns_dane_ok; /* Ok to use DANE when checking TLS authenticity */
extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
#endif
extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
+extern FILE *spool_data_file; /* handle for -D file */
extern uschar *spool_directory; /* Name of spool directory */
extern BOOL spool_file_wireformat; /* current -D file has CRLF rather than NL */
extern BOOL spool_wireformat; /* can write wireformat -D files */