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c1806f070e795c5a4a608ac4277235ed362b95bc
[exim.git] / src / src / globals.h
1 /* $Cambridge: exim/src/src/globals.h,v 1.69 2010/06/12 15:21:26 jetmore Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2009 */
8 /* See the file NOTICE for conditions of use and distribution. */
9
10 /* Almost all the global variables are defined together in this one header, so
11 that they are easy to find. However, those that are visible during the
12 compilation of the local_scan() function are defined separately in the
13 local_scan.h header file. */
14
15 /* First put any specials that are required for some operating systems. */
16
17 #ifdef NEED_H_ERRNO
18 extern int h_errno;
19 #endif
20
21 /* We need to be careful about width of int and atomicity in signal handlers,
22 especially with the rise of 64-bit systems breaking older assumptions. But
23 sig_atomic_t comes from signal.h so can't go into mytypes.h without including
24 signal support in local_scan, which seems precipitous. */
25 typedef volatile sig_atomic_t SIGNAL_BOOL;
26
27 /* Now things that are present only when configured. */
28
29 #ifdef EXIM_PERL
30 extern uschar *opt_perl_startup; /* Startup code for Perl interpreter */
31 extern BOOL opt_perl_at_start; /* Start Perl interpreter at start */
32 extern BOOL opt_perl_started; /* Set once interpreter started */
33 #endif
34
35 #ifdef EXPAND_DLFUNC
36 extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */
37 #endif
38
39 #ifdef LOOKUP_IBASE
40 extern uschar *ibase_servers;
41 #endif
42
43 #ifdef LOOKUP_LDAP
44 extern uschar *eldap_ca_cert_dir; /* Directory with CA certificates */
45 extern uschar *eldap_ca_cert_file; /* CA certificate file */
46 extern uschar *eldap_cert_file; /* Certificate file */
47 extern uschar *eldap_cert_key; /* Certificate key file */
48 extern uschar *eldap_cipher_suite; /* Allowed cipher suite */
49 extern uschar *eldap_default_servers; /* List of default servers */
50 extern uschar *eldap_require_cert; /* Peer certificate checking strategy */
51 extern BOOL eldap_start_tls; /* Use STARTTLS */
52 extern int eldap_version; /* LDAP version */
53 #endif
54
55 #ifdef LOOKUP_MYSQL
56 extern uschar *mysql_servers; /* List of servers and connect info */
57 #endif
58
59 #ifdef LOOKUP_ORACLE
60 extern uschar *oracle_servers; /* List of servers and connect info */
61 #endif
62
63 #ifdef LOOKUP_PGSQL
64 extern uschar *pgsql_servers; /* List of servers and connect info */
65 #endif
66
67 #ifdef LOOKUP_SQLITE
68 extern int sqlite_lock_timeout; /* Internal lock waiting timeout */
69 #endif
70
71 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
72 extern BOOL move_frozen_messages; /* Get them out of the normal directory */
73 #endif
74
75 /* These variables are outside the #ifdef because it keeps the code less
76 cluttered in several places (e.g. during logging) if we can always refer to
77 them. Also, the tls_ variables are now always visible. */
78
79 extern int tls_active; /* fd/socket when in a TLS session */
80 extern BOOL tls_certificate_verified; /* Client certificate verified */
81 extern uschar *tls_cipher; /* Cipher used */
82 extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
83 extern uschar *tls_on_connect_ports; /* Ports always tls-on-connect */
84 extern uschar *tls_peerdn; /* DN from peer */
85
86 #ifdef SUPPORT_TLS
87 extern BOOL gnutls_compat_mode; /* Less security, more compatibility */
88 extern uschar *gnutls_require_mac; /* So some can be avoided */
89 extern uschar *gnutls_require_kx; /* So some can be avoided */
90 extern uschar *gnutls_require_proto; /* So some can be avoided */
91 extern uschar *openssl_options; /* OpenSSL compatibility options */
92 extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
93 extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
94 extern uschar *tls_certificate; /* Certificate file */
95 extern uschar *tls_crl; /* CRL File */
96 extern uschar *tls_dhparam; /* DH param file */
97 extern BOOL tls_offered; /* Server offered TLS */
98 extern uschar *tls_privatekey; /* Private key file */
99 extern BOOL tls_remember_esmtp; /* For YAEB */
100 extern uschar *tls_require_ciphers; /* So some can be avoided */
101 extern uschar *tls_try_verify_hosts; /* Optional client verification */
102 extern uschar *tls_verify_certificates;/* Path for certificates to check */
103 extern uschar *tls_verify_hosts; /* Mandatory client verification */
104 #endif
105
106
107 /* Input-reading functions for messages, so we can use special ones for
108 incoming TCP/IP. */
109
110 extern int (*receive_getc)(void);
111 extern int (*receive_ungetc)(int);
112 extern int (*receive_feof)(void);
113 extern int (*receive_ferror)(void);
114 extern BOOL (*receive_smtp_buffered)(void);
115
116
117 /* For clearing, saving, restoring address expansion variables. We have to have
118 the size of this vector set explicitly, because it is referenced from more than
119 one module. */
120
121 extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
122
123 /* General global variables */
124
125 extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
126 extern header_line *acl_added_headers; /* Headers added by an ACL */
127 extern tree_node *acl_anchor; /* Tree of named ACLs */
128 extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
129 #ifdef WITH_CONTENT_SCAN
130 extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
131 #endif
132 extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */
133 extern uschar *acl_smtp_auth; /* ACL run for AUTH */
134 extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
135 extern uschar *acl_smtp_data; /* ACL run after DATA received */
136 #ifndef DISABLE_DKIM
137 extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */
138 #endif
139 extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
140 extern uschar *acl_smtp_expn; /* ACL run for EXPN */
141 extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
142 extern uschar *acl_smtp_mail; /* ACL run for MAIL */
143 extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
144 #ifdef WITH_CONTENT_SCAN
145 extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
146 #endif
147 extern uschar *acl_smtp_notquit; /* ACL run for disconnects */
148 extern uschar *acl_smtp_predata; /* ACL run for DATA command */
149 extern uschar *acl_smtp_quit; /* ACL run for QUIT */
150 extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
151 extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
152 extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
153 extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
154 extern tree_node *acl_var_c; /* ACL connection variables */
155 extern tree_node *acl_var_m; /* ACL messsage variables */
156 extern uschar *acl_verify_message; /* User message for verify failure */
157 extern string_item *acl_warn_logged; /* Logged lines */
158 extern uschar *acl_wherecodes[]; /* Response codes for ACL fails */
159 extern uschar *acl_wherenames[]; /* Names for messages */
160 extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
161 extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
162 extern address_item *addr_duplicate; /* Duplicate address list */
163 extern address_item address_defaults; /* Default data for address item */
164 extern uschar *address_file; /* Name of file when delivering to one */
165 extern uschar *address_pipe; /* Pipe command when delivering to one */
166 extern BOOL address_test_mode; /* True for -bt */
167 extern tree_node *addresslist_anchor; /* Tree of defined address lists */
168 extern int addresslist_count; /* Number defined */
169 extern gid_t *admin_groups; /* List of admin groups */
170 extern BOOL admin_user; /* True if caller can do admin */
171 extern BOOL allow_auth_unadvertised;/* As it says */
172 extern BOOL allow_domain_literals; /* As it says */
173 extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
174 extern BOOL allow_unqualified_recipient; /* As it says */
175 extern BOOL allow_unqualified_sender; /* Ditto */
176 extern BOOL allow_utf8_domains; /* For experimenting */
177 extern uschar *authenticated_id; /* ID that was authenticated */
178 extern uschar *authenticated_sender; /* From AUTH on MAIL */
179 extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
180 extern uschar *auth_advertise_hosts; /* Only advertise to these */
181 extern auth_info auths_available[]; /* Vector of available auth mechanisms */
182 extern auth_instance *auths; /* Chain of instantiated auths */
183 extern auth_instance auth_defaults; /* Default values */
184 extern uschar *auth_defer_msg; /* Error message for log */
185 extern uschar *auth_defer_user_msg; /* Error message for user */
186 extern uschar *auth_vars[]; /* $authn variables */
187 extern int auto_thaw; /* Auto-thaw interval */
188 #ifdef WITH_CONTENT_SCAN
189 extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
190 #endif
191
192 extern BOOL background_daemon; /* Set FALSE to keep in foreground */
193 extern uschar *base62_chars; /* Table of base-62 characters */
194 extern uschar *bi_command; /* Command for -bi option */
195 extern uschar *big_buffer; /* Used for various temp things */
196 extern int big_buffer_size; /* Current size (can expand) */
197 #ifdef EXPERIMENTAL_BRIGHTMAIL
198 extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
199 extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
200 extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
201 extern uschar *bmi_config_file; /* Brightmail config file */
202 extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
203 extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
204 extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
205 #endif
206 extern uschar *bounce_message_file; /* Template file */
207 extern uschar *bounce_message_text; /* One-liner */
208 extern uschar *bounce_recipient; /* When writing an errmsg */
209 extern BOOL bounce_return_body; /* Include body in returned message */
210 extern BOOL bounce_return_message; /* Include message in bounce */
211 extern int bounce_return_size_limit; /* Max amount to return */
212 extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
213 extern int bsmtp_transaction_linecount; /* Start of last transaction */
214
215 extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
216 extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
217 extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
218 extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
219 extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
220 extern uschar *check_dns_names_pattern;/* Regex for syntax check */
221 extern int check_log_inodes; /* Minimum for message acceptance */
222 extern int check_log_space; /* Minimum for message acceptance */
223 extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */
224 extern int check_spool_inodes; /* Minimum for message acceptance */
225 extern int check_spool_space; /* Minimum for message acceptance */
226 extern int clmacro_count; /* Number of command line macros */
227 extern uschar *clmacros[]; /* Copy of them, for re-exec */
228 extern int connection_max_messages;/* Max down one SMTP connection */
229 extern BOOL config_changed; /* True if -C used */
230 extern FILE *config_file; /* Configuration file */
231 extern uschar *config_filename; /* Configuration file name */
232 #ifdef CONFIGURE_GROUP
233 extern gid_t config_gid; /* Additional group owner */
234 #endif
235 extern int config_lineno; /* Line number */
236 extern uschar *config_main_filelist; /* List of possible config files */
237 extern uschar *config_main_filename; /* File name actually used */
238 #ifdef CONFIGURE_OWNER
239 extern uid_t config_uid; /* Additional owner */
240 #endif
241 extern uschar *continue_hostname; /* Host for continued delivery */
242 extern uschar *continue_host_address; /* IP address for ditto */
243 extern BOOL continue_more; /* Flag more addresses waiting */
244 extern int continue_sequence; /* Sequence num for continued delivery */
245 extern uschar *continue_transport; /* Transport for continued delivery */
246
247 extern uschar *csa_status; /* Client SMTP Authorization result */
248
249 extern BOOL daemon_listen; /* True if listening required */
250 extern uschar *daemon_smtp_port; /* Can be a list of ports */
251 extern int daemon_startup_retries; /* Number of times to retry */
252 extern int daemon_startup_sleep; /* Sleep between retries */
253
254 #ifdef EXPERIMENTAL_DCC
255 extern BOOL dcc_direct_add_header; /* directly add header */
256 extern uschar *dcc_header; /* dcc header */
257 extern uschar *dcc_result; /* dcc result */
258 extern uschar *dccifd_address; /* address of the dccifd daemon */
259 extern uschar *dccifd_options; /* options for the dccifd daemon */
260 #endif
261
262 extern BOOL debug_daemon; /* Debug the daemon process only */
263 extern int debug_fd; /* The fd for debug_file */
264 extern FILE *debug_file; /* Where to write debugging info */
265 extern bit_table debug_options[]; /* Table of debug options */
266 extern int debug_options_count; /* Size of table */
267 extern int delay_warning[]; /* Times between warnings */
268 extern uschar *delay_warning_condition; /* Condition string for warnings */
269 extern BOOL delivery_date_remove; /* Remove delivery-date headers */
270
271 extern uschar *deliver_address_data; /* Arbitrary data for an address */
272 extern int deliver_datafile; /* FD for data part of message */
273 extern uschar *deliver_domain; /* The local domain for delivery */
274 extern uschar *deliver_domain_data; /* From domain lookup */
275 extern uschar *deliver_domain_orig; /* The original local domain for delivery */
276 extern uschar *deliver_domain_parent; /* The parent domain for delivery */
277 extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
278 extern BOOL deliver_firsttime; /* True for first delivery attempt */
279 extern BOOL deliver_force; /* TRUE if delivery was forced */
280 extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
281 extern int deliver_frozen_at; /* Time of freezing */
282 extern uschar *deliver_home; /* Home directory for pipes */
283 extern uschar *deliver_host; /* (First) host for routed local deliveries */
284 /* Remote host for filter */
285 extern uschar *deliver_host_address; /* Address for remote delivery filter */
286 extern uschar *deliver_in_buffer; /* Buffer for copying file */
287 extern ino_t deliver_inode; /* Inode for appendfile */
288 extern uschar *deliver_localpart; /* The local part for delivery */
289 extern uschar *deliver_localpart_data; /* From local part lookup */
290 extern uschar *deliver_localpart_orig; /* The original local part for delivery */
291 extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
292 extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
293 extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
294 extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
295 extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
296 extern uschar *deliver_out_buffer; /* Buffer for copying file */
297 extern int deliver_queue_load_max; /* Different value for queue running */
298 extern address_item *deliver_recipients; /* Current set of addresses */
299 extern uschar *deliver_selectstring; /* For selecting by recipient */
300 extern BOOL deliver_selectstring_regex; /* String is regex */
301 extern uschar *deliver_selectstring_sender; /* For selecting by sender */
302 extern BOOL deliver_selectstring_sender_regex; /* String is regex */
303 #ifdef WITH_OLD_DEMIME
304 extern int demime_errorlevel; /* Severity of MIME error */
305 extern int demime_ok; /* Nonzero if message has been demimed */
306 extern uschar *demime_reason; /* Reason for broken MIME container */
307 #endif
308 extern BOOL disable_callout_flush; /* Don't flush before callouts */
309 extern BOOL disable_delay_flush; /* Don't flush before "delay" in ACL */
310 #ifdef ENABLE_DISABLE_FSYNC
311 extern BOOL disable_fsync; /* Not for normal use */
312 #endif
313 extern BOOL disable_ipv6; /* Don't do any IPv6 things */
314 extern BOOL disable_logging; /* Disables log writing when TRUE */
315
316 #ifndef DISABLE_DKIM
317 extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
318 extern uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */
319 extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */
320 extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */
321 extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */
322 extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */
323 extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */
324 #endif
325
326 extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
327 extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
328 extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
329 extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
330 extern int dns_retrans; /* Retransmission time setting */
331 extern int dns_retry; /* Number of retries */
332 extern uschar *dnslist_domain; /* DNS (black) list domain */
333 extern uschar *dnslist_matched; /* DNS (black) list matched key */
334 extern uschar *dnslist_text; /* DNS (black) list text message */
335 extern uschar *dnslist_value; /* DNS (black) list IP address */
336 extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
337 extern int domainlist_count; /* Number defined */
338 extern BOOL dont_deliver; /* TRUE for -N option */
339 extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
340
341 /* This option is now a no-opt, retained for compatibility */
342 extern BOOL drop_cr; /* For broken local MUAs */
343
344 extern uschar *dsn_from; /* From: string for DSNs */
345
346 extern BOOL enable_dollar_recipients; /* Make $recipients available */
347 extern int envelope_to_remove; /* Remove envelope_to_headers */
348 extern int errno_quota; /* Quota errno in this OS */
349 extern int error_handling; /* Error handling style */
350 extern uschar *errors_copy; /* For taking copies of errors */
351 extern uschar *errors_reply_to; /* Reply-to for error messages */
352 extern int errors_sender_rc; /* Return after message to sender*/
353 extern gid_t exim_gid; /* To be used with exim_uid */
354 extern BOOL exim_gid_set; /* TRUE if exim_gid set */
355 extern uschar *exim_path; /* Path to exec exim */
356 extern uid_t exim_uid; /* Non-root uid for exim */
357 extern BOOL exim_uid_set; /* TRUE if exim_uid set */
358 extern int expand_forbid; /* RDO flags for forbidding things */
359 extern int expand_nlength[]; /* Lengths of numbered strings */
360 extern int expand_nmax; /* Max numerical value */
361 extern uschar *expand_nstring[]; /* Numbered strings */
362 extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
363 extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
364 extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
365
366 extern int fake_response; /* Fake FAIL or DEFER response to data */
367 extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */
368 extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
369 extern BOOL filter_running; /* TRUE while running a filter */
370 extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
371 extern int filter_test; /* Filter test type */
372 extern uschar *filter_test_sfile; /* System filter test file */
373 extern uschar *filter_test_ufile; /* User filter test file */
374 extern uschar *filter_thisaddress; /* For address looping */
375 extern int finduser_retries; /* Retry count for getpwnam() */
376 extern uid_t fixed_never_users[]; /* Can't be overridden */
377 #ifdef WITH_OLD_DEMIME
378 extern uschar *found_extension; /* demime acl condition: file extension found */
379 #endif
380 extern uschar *freeze_tell; /* Message on (some) freezings */
381 extern uschar *freeze_tell_config; /* The configured setting */
382 extern uschar *fudged_queue_times; /* For use in test harness */
383
384 extern uschar *gecos_name; /* To be expanded when pattern matches */
385 extern uschar *gecos_pattern; /* Pattern to match */
386 extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
387
388 extern int header_insert_maxlen; /* Max for inserting headers */
389 extern int header_maxsize; /* Max total length for header */
390 extern int header_line_maxsize; /* Max for an individual line */
391 extern header_name header_names[]; /* Table of header names */
392 extern int header_names_size; /* Number of entries */
393 extern BOOL header_rewritten; /* TRUE if header changed by router */
394 extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
395 extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
396 extern uschar *helo_lookup_domains; /* If these given, lookup host name */
397 extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
398 extern BOOL helo_verified; /* True if HELO verified */
399 extern BOOL helo_verify_failed; /* True if attempt failed */
400 extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
401 extern const uschar *hex_digits; /* Used in several places */
402 extern uschar *hold_domains; /* Hold up deliveries to these */
403 extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
404 extern BOOL host_checking_callout; /* TRUE if real callout wanted */
405 extern uschar *host_data; /* Obtained from lookup in ACL */
406 extern uschar *host_lookup; /* For which IP addresses are always looked up */
407 extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
408 extern BOOL host_lookup_failed; /* TRUE if lookup failed */
409 extern uschar *host_lookup_order; /* Order of host lookup types */
410 extern uschar *host_lookup_msg; /* Text for why it failed */
411 extern int host_number; /* For sharing spools */
412 extern uschar *host_number_string; /* For expanding */
413 extern uschar *host_reject_connection; /* Reject these hosts */
414 extern tree_node *hostlist_anchor; /* Tree of defined host lists */
415 extern int hostlist_count; /* Number defined */
416 extern uschar *hosts_connection_nolog; /* Limits the logging option */
417 extern uschar *hosts_treat_as_local; /* For routing */
418
419 extern int ignore_bounce_errors_after; /* Keep them for this time. */
420 extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
421 extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
422 extern BOOL is_inetd; /* True for inetd calls */
423 extern uschar *iterate_item; /* Item from iterate list */
424
425 extern int journal_fd; /* Fd for journal file */
426
427 extern int keep_malformed; /* Time to keep malformed messages */
428
429 extern uschar *eldap_dn; /* Where LDAP DNs are left */
430 extern int load_average; /* Most recently read load average */
431 extern BOOL local_error_message; /* True if handling one of these */
432 extern BOOL local_from_check; /* For adding Sender: (global value) */
433 extern uschar *local_from_prefix; /* Permitted prefixes */
434 extern uschar *local_from_suffix; /* Permitted suffixes */
435 extern uschar *local_interfaces; /* For forcing specific interfaces */
436 extern uschar *local_scan_data; /* Text returned by local_scan() */
437 extern optionlist local_scan_options[];/* Option list for local_scan() */
438 extern int local_scan_options_count; /* Size of the list */
439 extern int local_scan_timeout; /* Timeout for local_scan() */
440 extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
441 extern gid_t local_user_gid; /* As it says; may be set in routers */
442 extern uid_t local_user_uid; /* As it says; may be set in routers */
443 extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
444 extern int localpartlist_count; /* Number defined */
445 extern uschar *log_buffer; /* For constructing log entries */
446 extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
447 extern uschar *log_file_path; /* If unset, use default */
448 extern bit_table log_options[]; /* Table of options */
449 extern int log_options_count; /* Size of table */
450 extern int log_reject_target; /* Target log for ACL rejections */
451 extern uschar *log_selector_string; /* As supplied in the config */
452 extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
453 extern BOOL log_testing_mode; /* TRUE in various testing modes */
454 extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
455 extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
456 extern uschar *login_sender_address; /* The actual sender address */
457 extern lookup_info **lookup_list; /* Array of pointers to available lookups */
458 extern int lookup_list_count; /* Number of entries in the list */
459 extern int lookup_open_max; /* Max lookup files to cache */
460 extern uschar *lookup_value; /* Value looked up from file */
461
462 extern macro_item *macros; /* Configuration macros */
463 extern uschar *mailstore_basename; /* For mailstore deliveries */
464 #ifdef WITH_CONTENT_SCAN
465 extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
466 #endif
467 extern int max_received_linelength;/* What it says */
468 extern int max_username_length; /* For systems with broken getpwnam() */
469 extern int message_age; /* In seconds */
470 extern uschar *message_body; /* Start of message body for filter */
471 extern uschar *message_body_end; /* End of message body for filter */
472 extern BOOL message_body_newlines; /* FALSE => remove newlines */
473 extern int message_body_size; /* Sic */
474 extern int message_body_visible; /* Amount visible in message_body */
475 extern int message_ended; /* State of message reading and how ended */
476 extern uschar *message_headers; /* When built */
477 extern uschar message_id_option[]; /* -E<message-id> for use as option */
478 extern uschar *message_id_external; /* External form of following */
479 extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
480 extern uschar *message_id_text; /* Expanded to form message_id */
481 extern struct timeval message_id_tv; /* Time used to create last message_id */
482 extern int message_linecount; /* As it says */
483 extern BOOL message_logs; /* TRUE to write message logs */
484 extern int message_size; /* Size of message */
485 extern uschar *message_size_limit; /* As it says */
486 extern uschar message_subdir[]; /* Subdirectory for messages */
487 extern uschar *message_reference; /* Reference for error messages */
488
489 /* MIME ACL expandables */
490 #ifdef WITH_CONTENT_SCAN
491 extern int mime_anomaly_level;
492 extern const uschar *mime_anomaly_text;
493 extern uschar *mime_boundary;
494 extern uschar *mime_charset;
495 extern uschar *mime_content_description;
496 extern uschar *mime_content_disposition;
497 extern uschar *mime_content_id;
498 extern unsigned int mime_content_size;
499 extern uschar *mime_content_transfer_encoding;
500 extern uschar *mime_content_type;
501 extern uschar *mime_decoded_filename;
502 extern uschar *mime_filename;
503 extern int mime_is_multipart;
504 extern int mime_is_coverletter;
505 extern int mime_is_rfc822;
506 extern int mime_part_count;
507 #endif
508
509 extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
510
511 extern uid_t *never_users; /* List of uids never to be used */
512 #ifdef WITH_CONTENT_SCAN
513 extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
514 #endif
515 extern BOOL no_multiline_responses; /* For broken clients */
516
517 extern optionlist optionlist_auths[]; /* These option lists are made */
518 extern int optionlist_auths_size; /* global so that readconf can */
519 extern optionlist optionlist_routers[]; /* see them for printing out */
520 extern int optionlist_routers_size; /* the options. */
521 extern optionlist optionlist_transports[];
522 extern int optionlist_transports_size;
523
524 extern uid_t original_euid; /* Original effective uid */
525 extern gid_t originator_gid; /* Gid of whoever wrote spool file */
526 extern uschar *originator_login; /* Login of same */
527 extern uschar *originator_name; /* Full name of same */
528 extern uid_t originator_uid; /* Uid of ditto */
529 extern uschar *override_local_interfaces; /* Value of -oX argument */
530 extern uschar *override_pid_file_path; /* Value of -oP argument */
531
532 extern BOOL parse_allow_group; /* Allow group syntax */
533 extern BOOL parse_found_group; /* In the middle of a group */
534 extern uschar *percent_hack_domains; /* Local domains for which '% operates */
535 extern uschar *pid_file_path; /* For writing daemon pids */
536 extern uschar *pipelining_advertise_hosts; /* As it says */
537 extern BOOL pipelining_enable; /* As it says */
538 extern BOOL preserve_message_logs; /* Save msglog files */
539 extern uschar *primary_hostname; /* Primary name of this computer */
540 extern BOOL print_topbitchars; /* Topbit chars are printing chars */
541 extern uschar process_info[]; /* For SIGUSR1 output */
542 extern uschar *process_log_path; /* Alternate path */
543 extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
544 extern uschar *prvscheck_address; /* Set during prvscheck expansion item */
545 extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */
546 extern uschar *prvscheck_result; /* Set during prvscheck expansion item */
547
548 extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
549 extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
550 extern BOOL queue_2stage; /* Run queue in 2-stage manner */
551 extern uschar *queue_domains; /* Queue these domains */
552 extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
553 extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
554 extern BOOL queue_run_force; /* TRUE to force during queue run */
555 extern BOOL queue_run_local; /* Local deliveries only in queue run */
556 extern BOOL queue_running; /* TRUE for queue running process and */
557 /* immediate children */
558 extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
559 extern int queue_run_pipe; /* Pipe for synchronizing */
560 extern int queue_interval; /* Queue running interval */
561 extern BOOL queue_only; /* TRUE to disable immediate delivery */
562 extern int queue_only_load; /* Max load before auto-queue */
563 extern BOOL queue_only_load_latch; /* Latch queue_only_load TRUE */
564 extern uschar *queue_only_file; /* Queue if file exists/not-exists */
565 extern BOOL queue_only_override; /* Allow override from command line */
566 extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
567 extern BOOL queue_run_in_order; /* As opposed to random */
568 extern int queue_run_max; /* Max queue runners */
569 extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
570 extern uschar *queue_smtp_domains; /* Ditto, for these domains */
571
572 extern unsigned int random_seed; /* Seed for random numbers */
573 extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */
574 extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */
575 extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */
576 extern uschar *raw_active_hostname; /* Pre-expansion */
577 extern uschar *raw_sender; /* Before rewriting */
578 extern uschar **raw_recipients; /* Before rewriting */
579 extern int raw_recipients_count;
580 extern int rcpt_count; /* Count of RCPT commands in a message */
581 extern int rcpt_fail_count; /* Those that got 5xx */
582 extern int rcpt_defer_count; /* Those that got 4xx */
583 extern gid_t real_gid; /* Real gid */
584 extern uid_t real_uid; /* Real user running program */
585 extern BOOL really_exim; /* FALSE in utilities */
586 extern BOOL receive_call_bombout; /* Flag for crashing log */
587 extern int receive_linecount; /* Mainly for BSMTP errors */
588 extern int receive_messagecount; /* Mainly for BSMTP errors */
589 extern int receive_timeout; /* For non-SMTP acceptance */
590 extern int received_count; /* Count of Received: headers */
591 extern uschar *received_for; /* For "for" field */
592 extern uschar *received_header_text; /* Definition of Received: header */
593 extern int received_headers_max; /* Max count of Received: headers */
594 extern int received_time; /* Time the message was received */
595 extern uschar *recipient_data; /* lookup data for recipients */
596 extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
597 extern uschar *recipient_verify_failure; /* What went wrong */
598 extern BOOL recipients_discarded; /* By an ACL */
599 extern int recipients_list_max; /* Maximum number fitting in list */
600 extern int recipients_max; /* Max permitted */
601 extern int recipients_max_reject; /* If TRUE, reject whole message */
602 extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
603 extern const pcre *regex_check_dns_names; /* For DNS name checking */
604 extern const pcre *regex_From; /* For recognizing "From_" lines */
605 extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
606 extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
607 extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
608 extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */
609 extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
610 #ifdef WHITELIST_D_MACROS
611 extern const pcre *regex_whitelisted_macro; /* For -D macro values */
612 #endif
613 #ifdef WITH_CONTENT_SCAN
614 extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
615 #endif
616 extern int remote_delivery_count; /* Number of remote addresses */
617 extern int remote_max_parallel; /* Maximum parallel delivery */
618 extern uschar *remote_sort_domains; /* Remote domain sorting order */
619 extern retry_config *retries; /* Chain of retry config information */
620 extern int retry_data_expire; /* When to expire retry data */
621 extern int retry_interval_max; /* Absolute maximum */
622 extern int retry_maximum_timeout; /* The maximum timeout */
623 extern uschar *return_path; /* Return path for a message */
624 extern BOOL return_path_remove; /* Remove return-path headers */
625 extern int rewrite_existflags; /* Indicate which headers have rewrites */
626 extern uschar *rfc1413_hosts; /* RFC hosts */
627 extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
628 /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
629 extern uid_t root_gid; /* The gid for root */
630 extern uid_t root_uid; /* The uid for root */
631 extern router_info routers_available[];/* Vector of available routers */
632 extern router_instance *routers; /* Chain of instantiated routers */
633 extern router_instance router_defaults;/* Default values */
634 extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
635 extern ip_address_item *running_interfaces; /* Host's running interfaces */
636 extern uschar *running_status; /* Flag string for testing */
637 extern int runrc; /* rc from ${run} */
638
639 extern uschar *search_error_message; /* Details of lookup problem */
640 extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
641 extern uschar *self_hostname; /* Self host after routing->directors */
642 extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
643 extern uschar *sender_address_data; /* address_data from sender verify */
644 extern BOOL sender_address_forced; /* Set by -f */
645 extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
646 extern uschar *sender_data; /* lookup result for senders */
647 extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
648 extern uschar *sender_fullhost; /* Sender host name + address */
649 extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
650 extern uschar **sender_host_aliases; /* Points to list of alias names */
651 extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
652 extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
653 extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
654 extern uschar *sender_ident; /* Sender identity via RFC 1413 */
655 extern BOOL sender_local; /* TRUE for local senders */
656 extern BOOL sender_name_forced; /* Set by -F */
657 extern uschar *sender_rate; /* Sender rate computed by ACL */
658 extern uschar *sender_rate_limit; /* Configured rate limit */
659 extern uschar *sender_rate_period; /* Configured smoothing period */
660 extern uschar *sender_rcvhost; /* Host data for Received: */
661 extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
662 extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
663 extern uschar *sender_verify_failure; /* What went wrong */
664 extern address_item *sender_verified_list; /* Saved chain of sender verifies */
665 extern address_item *sender_verified_failed; /* The one that caused denial */
666 extern uschar *sending_ip_address; /* Address of outgoing (SMTP) interface */
667 extern int sending_port; /* Port of outgoing interface */
668 extern SIGNAL_BOOL sigalrm_seen; /* Flag for sigalrm_handler */
669 extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
670 extern int smtp_accept_count; /* Count of connections */
671 extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
672 extern int smtp_accept_max; /* Max SMTP connections */
673 extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
674 extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
675 extern int smtp_accept_max_per_connection; /* Max msgs per connection */
676 extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
677 extern int smtp_accept_queue; /* Queue after so many connections */
678 extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
679 extern int smtp_accept_reserve; /* Reserve these SMTP connections */
680 extern uschar *smtp_active_hostname; /* Hostname for this message */
681 extern BOOL smtp_authenticated; /* Sending client has authenticated */
682 extern uschar *smtp_banner; /* Banner string (to be expanded) */
683 extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
684 extern int smtp_ch_index; /* Index in smtp_connection_had */
685 extern uschar *smtp_cmd_argument; /* For all SMTP commands */
686 extern uschar *smtp_cmd_buffer; /* SMTP command buffer */
687 extern time_t smtp_connection_start; /* Start time of SMTP connection */
688 extern uschar smtp_connection_had[]; /* Recent SMTP commands */
689 extern int smtp_connect_backlog; /* Max backlog permitted */
690 extern double smtp_delay_mail; /* Current MAIL delay */
691 extern double smtp_delay_rcpt; /* Current RCPT delay */
692 extern BOOL smtp_enforce_sync; /* Enforce sync rules */
693 extern uschar *smtp_etrn_command; /* Command to run */
694 extern BOOL smtp_etrn_serialize; /* Only one at once */
695 extern FILE *smtp_in; /* Incoming SMTP input file */
696 extern int smtp_load_reserve; /* Only from reserved if load > this */
697 extern int smtp_mailcmd_count; /* Count of MAIL commands */
698 extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
699 extern int smtp_max_unknown_commands; /* As it says */
700 extern uschar *smtp_notquit_reason; /* Global for disconnect reason */
701 extern FILE *smtp_out; /* Incoming SMTP output file */
702 extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
703 extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
704 extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
705 extern uschar *smtp_read_error; /* Message for SMTP input error */
706 extern int smtp_receive_timeout; /* Applies to each received line */
707 extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
708 extern BOOL smtp_return_error_details; /* TRUE to return full info */
709 extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
710 extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
711 extern int smtp_rlm_limit; /* Max delay */
712 extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
713 extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
714 extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
715 extern int smtp_rlr_limit; /* Max delay */
716 extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
717 extern BOOL smtp_use_pipelining; /* Global for passed connections */
718 extern BOOL smtp_use_size; /* Global for passed connections */
719
720 #ifdef WITH_CONTENT_SCAN
721 extern uschar *spamd_address; /* address for the spamassassin daemon */
722 extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
723 extern uschar *spam_report; /* the spamd report (multiline) */
724 extern uschar *spam_score; /* the spam score (float) */
725 extern uschar *spam_score_int; /* spam_score * 10 (int) */
726 #endif
727 #ifdef EXPERIMENTAL_SPF
728 extern uschar *spf_guess; /* spf best-guess record */
729 extern uschar *spf_header_comment; /* spf header comment */
730 extern uschar *spf_received; /* Received-SPF: header */
731 extern uschar *spf_result; /* spf result in string form */
732 extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
733 #endif
734 extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
735 extern uschar *spool_directory; /* Name of spool directory */
736 #ifdef EXPERIMENTAL_SRS
737 extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
738 extern uschar *srs_db_address; /* SRS db address */
739 extern uschar *srs_db_key; /* SRS db key */
740 extern int srs_hashlength; /* SRS hash length */
741 extern int srs_hashmin; /* SRS minimum hash length */
742 extern int srs_maxage; /* SRS max age */
743 extern uschar *srs_orig_sender; /* SRS original sender */
744 extern uschar *srs_orig_recipient; /* SRS original recipient */
745 extern uschar *srs_recipient; /* SRS recipient */
746 extern uschar *srs_secrets; /* SRS secrets list */
747 extern uschar *srs_status; /* SRS staus */
748 extern BOOL srs_usehash; /* SRS use hash flag */
749 extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
750 #endif
751 extern BOOL strict_acl_vars; /* ACL variables have to be set before being used */
752 extern int string_datestamp_offset;/* After insertion by string_format */
753 extern int string_datestamp_length;/* After insertion by string_format */
754 extern int string_datestamp_type; /* After insertion by string_format */
755 extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
756 extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
757 extern uschar *submission_domain; /* Domain for submission mode */
758 extern BOOL submission_mode; /* Can be forced from ACL */
759 extern uschar *submission_name; /* User name set from ACL */
760 extern BOOL suppress_local_fixups; /* Can be forced from ACL */
761 extern BOOL synchronous_delivery; /* TRUE if -odi is set */
762 extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
763 extern int syslog_facility; /* As defined by Syslog.h */
764 extern uschar *syslog_processname; /* 'ident' param to openlog() */
765 extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
766 extern uschar *system_filter; /* Name of system filter file */
767
768 extern uschar *system_filter_directory_transport; /* Transports for the */
769 extern uschar *system_filter_file_transport; /* system filter */
770 extern uschar *system_filter_pipe_transport;
771 extern uschar *system_filter_reply_transport;
772
773 extern gid_t system_filter_gid; /* Gid for running system filter */
774 extern BOOL system_filter_gid_set; /* TRUE if gid set */
775 extern uid_t system_filter_uid; /* Uid for running system filter */
776 extern BOOL system_filter_uid_set; /* TRUE if uid set */
777 extern BOOL system_filtering; /* TRUE when running system filter */
778
779 extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
780 #ifdef USE_TCP_WRAPPERS
781 extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */
782 #endif
783 extern int test_harness_load_avg; /* For use when testing */
784 extern int thismessage_size_limit; /* Limit for this message */
785 extern int timeout_frozen_after; /* Max time to keep frozen messages */
786 extern BOOL timestamps_utc; /* Use UTC for all times */
787 extern int transport_count; /* Count of bytes transported */
788 extern int transport_newlines; /* Accurate count of number of newline chars transported */
789 extern uschar **transport_filter_argv; /* For on-the-fly filtering */
790 extern int transport_filter_timeout; /* Timeout for same */
791 extern BOOL transport_filter_timed_out; /* True if it did */
792
793 extern transport_info transports_available[]; /* Vector of available transports */
794 extern transport_instance *transports; /* Chain of instantiated transports */
795 extern transport_instance transport_defaults; /* Default values */
796
797 extern int transport_write_timeout;/* Set to time out individual writes */
798
799 extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
800 extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
801 extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
802 extern tree_node *tree_unusable; /* Tree of unusable addresses */
803
804 extern BOOL trusted_caller; /* Caller is trusted */
805 extern BOOL trusted_config; /* Configuration file is trusted */
806 extern gid_t *trusted_groups; /* List of trusted groups */
807 extern uid_t *trusted_users; /* List of trusted users */
808 extern uschar *timezone_string; /* Required timezone setting */
809
810 extern uschar *unknown_login; /* To use when login id unknown */
811 extern uschar *unknown_username; /* Ditto */
812 extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
813 extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
814 extern uschar *uucp_from_sender; /* For building the sender */
815
816 extern uschar *warn_message_file; /* Template for warning messages */
817 extern uschar *warnmsg_delay; /* String form of delay time */
818 extern uschar *warnmsg_recipients; /* Recipients of warning message */
819 extern BOOL write_rejectlog; /* Control of reject logging */
820
821 extern uschar *version_copyright; /* Copyright notice */
822 extern uschar *version_date; /* Date of compilation */
823 extern uschar *version_cnumber; /* Compile number */
824 extern uschar *version_string; /* Version string */
825
826 extern int warning_count; /* Delay warnings sent for this msg */
827
828 /* End of globals.h */
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