1divert(-1) 2# 3# Copyright (c) 1983, 1995 Eric P. Allman 4# Copyright (c) 1988, 1993 5# The Regents of the University of California. All rights reserved. 6# 7# %sccs.include.redist.sh% 8# 9divert(0) 10 11VERSIONID(`@(#)proto.m4 8.72 (Berkeley) 05/18/95') 12 13MAILER(local)dnl 14 15# level 6 config file format 16V6/Berkeley 17divert(-1) 18 19# do some sanity checking 20ifdef(`__OSTYPE__',, 21 `errprint(`*** ERROR: No system type defined (use OSTYPE macro)')') 22 23# pick our default mailers 24ifdef(`confSMTP_MAILER',, `define(`confSMTP_MAILER', `smtp')') 25ifdef(`confLOCAL_MAILER',, `define(`confLOCAL_MAILER', `local')') 26ifdef(`confRELAY_MAILER',, 27 `define(`confRELAY_MAILER', 28 `ifdef(`_MAILER_smtp_', `relay', 29 `ifdef(`_MAILER_uucp', `suucp', `unknown')')')') 30define(`_SMTP_', `confSMTP_MAILER')dnl for readability only 31define(`_LOCAL_', `confLOCAL_MAILER')dnl for readability only 32define(`_RELAY_', `confRELAY_MAILER')dnl for readability only 33 34# back compatibility with old config files 35ifdef(`confDEF_GROUP_ID', 36 `errprint(`*** confDEF_GROUP_ID is obsolete.') 37 errprint(` Use confDEF_USER_ID with a colon in the value instead.')') 38ifdef(`confREAD_TIMEOUT', 39 `errprint(`*** confREAD_TIMEOUT is obsolete.') 40 errprint(` Use individual confTO_<timeout> parameters instead.')') 41ifdef(`confMESSAGE_TIMEOUT', 42 `define(`_ARG_', index(confMESSAGE_TIMEOUT, /)) 43 ifelse(_ARG_, -1, 44 `define(`confTO_QUEUERETURN', confMESSAGE_TIMEOUT)', 45 `define(`confTO_QUEUERETURN', 46 substr(confMESSAGE_TIMEOUT, 0, _ARG_)) 47 define(`confTO_QUEUEWARN', 48 substr(confMESSAGE_TIMEOUT, eval(_ARG_+1)))')') 49ifdef(`confMIN_FREE_BLOCKS', `ifelse(index(confMIN_FREE_BLOCKS, /), -1,, 50 `errprint(`*** compound confMIN_FREE_BLOCKS is obsolete.') 51 errprint(` Use confMAX_MESSAGE_SIZE for the second part of the value.')')') 52 53# clean option definitions below.... 54define(`_OPTION', `ifdef(`$2', `O $1=$2', `#O $1`'ifelse($3, `',, `=$3')')')dnl 55 56divert(0)dnl 57 58################## 59# local info # 60################## 61 62Cwlocalhost 63ifdef(`USE_CW_FILE', 64`# file containing names of hosts for which we receive email 65Fw`'confCW_FILE', 66 `dnl') 67 68# my official domain name 69# ... define this only if sendmail cannot automatically determine your domain 70ifdef(`confDOMAIN_NAME', `Dj`'confDOMAIN_NAME', `#Dj$w.Foo.COM') 71 72ifdef(`_NULL_CLIENT_ONLY_', `divert(-1)')dnl 73 74CP. 75 76ifdef(`UUCP_RELAY', 77`# UUCP relay host 78DY`'UUCP_RELAY 79CPUUCP 80 81')dnl 82ifdef(`BITNET_RELAY', 83`# BITNET relay host 84DB`'BITNET_RELAY 85CPBITNET 86 87')dnl 88ifdef(`FAX_RELAY', 89`# FAX relay host 90DF`'FAX_RELAY 91CPFAX 92 93')dnl 94# "Smart" relay host (may be null) 95DS`'ifdef(`SMART_HOST', SMART_HOST) 96 97ifdef(`LUSER_RELAY', 98`# place to which unknown users should be forwarded 99Kuser user -m -a<> 100DL`'LUSER_RELAY 101', `dnl') 102 103# operators that cannot be in local usernames (i.e., network indicators) 104CO @ % ifdef(`_NO_UUCP_', `', `!') 105 106# a class with just dot (for identifying canonical names) 107C.. 108 109ifdef(`MAILER_TABLE', 110`# Mailer table (overriding domains) 111Kmailertable MAILER_TABLE 112 113')dnl 114ifdef(`DOMAIN_TABLE', 115`# Domain table (adding domains) 116Kdomaintable DOMAIN_TABLE 117 118')dnl 119# who I send unqualified names to (null means deliver locally) 120DR`'ifdef(`LOCAL_RELAY', LOCAL_RELAY) 121 122# who gets all local email traffic ($R has precedence for unqualified names) 123DH`'ifdef(`MAIL_HUB', MAIL_HUB) 124 125# class L: names that should be delivered locally, even if we have a relay 126# class E: names that should be exposed as from this host, even if we masquerade 127#CL root 128CE root 129undivert(5)dnl 130 131# dequoting map 132Kdequote dequote 133 134divert(0)dnl 135# who I masquerade as (null for no masquerading) 136DM`'ifdef(`MASQUERADE_NAME', MASQUERADE_NAME) 137 138undivert(6)dnl 139 140###################### 141# Special macros # 142###################### 143 144# SMTP initial login message 145De`'confSMTP_LOGIN_MSG 146 147# UNIX initial From header format 148Dl`'confFROM_LINE 149 150# my name for error messages 151Dn`'confMAILER_NAME 152 153# delimiter (operator) characters 154Do`'confOPERATORS 155 156# format of a total name 157Dq`'ifdef(`confFROM_HEADER', confFROM_HEADER, `$?x$x <$g>$|$g$.') 158include(`../m4/version.m4') 159 160############### 161# Options # 162############### 163 164# strip message body to 7 bits on input? 165_OPTION(SevenBitInput, `confSEVEN_BIT_INPUT') 166 167# 8-bit data handling 168_OPTION(EightBitMode, `confEIGHT_BIT_HANDLING', adaptive) 169 170# wait for alias file rebuild (default units: minutes) 171_OPTION(AliasWait, `confALIAS_WAIT', 5m) 172 173# location of alias file 174O AliasFile=ifdef(`ALIAS_FILE', `ALIAS_FILE', /etc/aliases) 175 176# minimum number of free blocks on filesystem 177_OPTION(MinFreeBlocks, `confMIN_FREE_BLOCKS', 100) 178 179# maximum message size 180_OPTION(MaxMessageSize, `confMAX_MESSAGE_SIZE', 1000000) 181 182# substitution for space (blank) characters 183_OPTION(BlankSub, `confBLANK_SUB', _) 184 185# avoid connecting to "expensive" mailers on initial submission? 186_OPTION(HoldExpensive, `confCON_EXPENSIVE') 187 188# checkpoint queue runs after every N successful deliveries 189_OPTION(CheckpointInterval, `confCHECKPOINT_INTERVAL', 10) 190 191# default delivery mode 192_OPTION(DeliveryMode, `confDELIVERY_MODE', background) 193 194# automatically rebuild the alias database? 195_OPTION(AutoRebuildAliases, `confAUTO_REBUILD') 196 197# error message header/file 198_OPTION(ErrorHeader, `confERROR_MESSAGE', /etc/sendmail.oE) 199 200# error mode 201_OPTION(ErrorMode, `confERROR_MODE', print) 202 203# save Unix-style "From_" lines at top of header? 204_OPTION(SaveFromLine, `confSAVE_FROM_LINES') 205 206# temporary file mode 207_OPTION(TempFileMode, `confTEMP_FILE_MODE', 0600) 208 209# match recipients against GECOS field? 210_OPTION(MatchGECOS, `confMATCH_GECOS') 211 212# maximum hop count 213_OPTION(MaxHopCount, `confMAX_HOP', 17) 214 215# location of help file 216O HelpFile=ifdef(`HELP_FILE', HELP_FILE, /usr/lib/sendmail.hf) 217 218# ignore dots as terminators in incoming messages? 219_OPTION(IgnoreDots, `confIGNORE_DOTS') 220 221# name resolver options 222_OPTION(ResolverOptions, `confBIND_OPTS', +AAONLY) 223 224# deliver MIME-encapsulated error messages? 225_OPTION(SendMimeErrors, `confMIME_FORMAT_ERRORS') 226 227# Forward file search path 228_OPTION(ForwardPath, `confFORWARD_PATH', /var/forward/$u:$z/.forward.$w:$z/.forward) 229 230# open connection cache size 231_OPTION(ConnectionCacheSize, `confMCI_CACHE_SIZE', 2) 232 233# open connection cache timeout 234_OPTION(ConnectionCacheTimeout, `confMCI_CACHE_TIMEOUT', 5m) 235 236# use Errors-To: header? 237_OPTION(UseErrorsTo, `confUSE_ERRORS_TO') 238 239# log level 240_OPTION(LogLevel, `confLOG_LEVEL', 10) 241 242# send to me too, even in an alias expansion? 243_OPTION(MeToo, `confME_TOO') 244 245# verify RHS in newaliases? 246_OPTION(CheckAliases, `confCHECK_ALIASES') 247 248# default messages to old style headers if no special punctuation? 249_OPTION(OldStyleHeaders, `confOLD_STYLE_HEADERS') 250 251# SMTP daemon options 252_OPTION(DaemonPortOptions, `confDAEMON_OPTIONS', Port=esmtp) 253 254# privacy flags 255_OPTION(PrivacyOptions, `confPRIVACY_FLAGS', authwarnings) 256 257# who (if anyone) should get extra copies of error messages 258_OPTION(PostMasterCopy, `confCOPY_ERRORS_TO', Postmaster) 259 260# slope of queue-only function 261_OPTION(QueueFactor, `confQUEUE_FACTOR', 600000) 262 263# queue directory 264O QueueDirectory=ifdef(`QUEUE_DIR', QUEUE_DIR, /var/spool/mqueue) 265 266# timeouts (many of these) 267_OPTION(Timeout.initial, `confTO_INITIAL', 5m) 268_OPTION(Timeout.helo, `confTO_HELO', 5m) 269_OPTION(Timeout.mail, `confTO_MAIL', 10m) 270_OPTION(Timeout.rcpt, `confTO_RCPT', 1h) 271_OPTION(Timeout.datainit, `confTO_DATAINIT', 5m) 272_OPTION(Timeout.datablock, `confTO_DATABLOCK', 1h) 273_OPTION(Timeout.datafinal, `confTO_DATAFINAL', 1h) 274_OPTION(Timeout.rset, `confTO_RSET', 5m) 275_OPTION(Timeout.quit, `confTO_QUIT', 2m) 276_OPTION(Timeout.misc, `confTO_MISC', 2m) 277_OPTION(Timeout.command, `confTO_COMMAND', 1h) 278_OPTION(Timeout.ident, `confTO_IDENT', 30s) 279_OPTION(Timeout.fileopen, `confTO_FILEOPEN', 60s) 280_OPTION(Timeout.queuereturn, `confTO_QUEUERETURN', 5d) 281_OPTION(Timeout.queuereturn.normal, `confTO_QUEUERETURN_NORMAL', 5d) 282_OPTION(Timeout.queuereturn.urgent, `confTO_QUEUERETURN_URGENT', 2d) 283_OPTION(Timeout.queuereturn.non-urgent, `confTO_QUEUERETURN_NONURGENT', 7d) 284_OPTION(Timeout.queuewarn, `confTO_QUEUEWARN', 4h) 285_OPTION(Timeout.queuewarn.normal, `confTO_QUEUEWARN_NORMAL', 4h) 286_OPTION(Timeout.queuewarn.urgent, `confTO_QUEUEWARN_URGENT', 1h) 287_OPTION(Timeout.queuewarn.non-urgent, `confTO_QUEUEWARN_NONURGENT', 12h) 288 289# should we not prune routes in route-addr syntax addresses? 290_OPTION(DontPruneRoutes, `confDONT_PRUNE_ROUTES') 291 292# queue up everything before forking? 293_OPTION(SuperSafe, `confSAFE_QUEUE') 294 295# status file 296_OPTION(StatusFile, `STATUS_FILE', /etc/sendmail.st) 297 298# time zone handling: 299# if undefined, use system default 300# if defined but null, use TZ envariable passed in 301# if defined and non-null, use that info 302ifelse(confTIME_ZONE, `USE_SYSTEM', `#O TimeZoneSpec=', 303 confTIME_ZONE, `USE_TZ', `O TimeZoneSpec=', 304 `O TimeZoneSpec=confTIME_ZONE') 305 306# default UID (can be username or userid:groupid) 307_OPTION(DefaultUser, `confDEF_USER_ID', nobody) 308 309# list of locations of user database file (null means no lookup) 310_OPTION(UserDatabaseSpec, `confUSERDB_SPEC', /etc/userdb) 311 312# fallback MX host 313_OPTION(FallbackMXhost, `confFALLBACK_MX', fall.back.host.net) 314 315# if we are the best MX host for a site, try it directly instead of config err 316_OPTION(TryNullMXList, `confTRY_NULL_MX_LIST') 317 318# load average at which we just queue messages 319_OPTION(QueueLA, `confQUEUE_LA', 8) 320 321# load average at which we refuse connections 322_OPTION(RefuseLA, `confREFUSE_LA', 12) 323 324# work recipient factor 325_OPTION(RecipientFactor, `confWORK_RECIPIENT_FACTOR', 30000) 326 327# deliver each queued job in a separate process? 328_OPTION(ForkEachJob, `confSEPARATE_PROC') 329 330# work class factor 331_OPTION(ClassFactor, `confWORK_CLASS_FACTOR', 1800) 332 333# work time factor 334_OPTION(RetryFactor, `confWORK_TIME_FACTOR', 90000) 335 336# shall we sort the queue by hostname first? 337_OPTION(QueueSortOrder, `confQUEUE_SORT_ORDER', priority) 338 339# minimum time in queue before retry 340_OPTION(MinQueueAge, `confMIN_QUEUE_AGE', 30m) 341 342# default character set 343_OPTION(DefaultCharSet, `confDEF_CHAR_SET', iso-8859-1) 344 345# service switch file (ignored on Solaris, Ultrix, OSF/1, others) 346_OPTION(ServiceSwitchFile, `confSERVICE_SWITCH_FILE', /etc/service.switch) 347 348# dialup line delay on connection failure 349_OPTION(DialDelay, `confDIAL_DELAY', 10s) 350 351# action to take if there are no recipients in the message 352_OPTION(NoRecipientAction, `confNO_RCPT_ACTION', add-to-undisclosed) 353 354# chrooted environment for writing to files 355_OPTION(SafeFileEnvironment, `confSAFE_FILE_ENV', /arch) 356 357# are colons OK in addresses? 358_OPTION(ColonOkInAddr, `confCOLON_OK_IN_ADDR') 359 360########################### 361# Message precedences # 362########################### 363 364Pfirst-class=0 365Pspecial-delivery=100 366Plist=-30 367Pbulk=-60 368Pjunk=-100 369 370##################### 371# Trusted users # 372##################### 373 374# this is equivalent to setting class "t" 375#Ft/etc/sendmail.trusted 376Troot 377Tdaemon 378Tuucp 379 380######################### 381# Format of headers # 382######################### 383 384H?P?Return-Path: $g 385HReceived: confRECEIVED_HEADER 386H?D?Resent-Date: $a 387H?D?Date: $a 388H?F?Resent-From: $q 389H?F?From: $q 390H?x?Full-Name: $x 391HSubject: 392# HPosted-Date: $a 393# H?l?Received-Date: $b 394H?M?Resent-Message-Id: <$t.$i@$j> 395H?M?Message-Id: <$t.$i@$j> 396ifdef(`_NULL_CLIENT_ONLY_', 397 `include(../m4/nullrelay.m4)m4exit', 398 `dnl') 399# 400###################################################################### 401###################################################################### 402##### 403##### REWRITING RULES 404##### 405###################################################################### 406###################################################################### 407 408undivert(9)dnl 409 410########################################### 411### Rulset 3 -- Name Canonicalization ### 412########################################### 413S3 414 415# handle null input (translate to <@> special case) 416R$@ $@ <@> 417 418# strip group: syntax (not inside angle brackets!) and trailing semicolon 419R$* $: $1 <@> mark addresses 420R$* < $* > $* <@> $: $1 < $2 > $3 unmark <addr> 421R$* :: $* <@> $: $1 :: $2 unmark host::addr 422R:include: $* <@> $: :include: $1 unmark :include:... 423R$* : $* <@> $: $2 strip colon if marked 424R$* <@> $: $1 unmark 425R$* ; $: $1 strip trailing semi 426 427# null input now results from list:; syntax 428R$@ $@ :; <@> 429 430# basic textual canonicalization -- note RFC733 heuristic here 431R$*<$*>$*<$*>$* $2$3<$4>$5 strip multiple <> <> 432R$*<$*<$+>$*>$* <$3>$5 2-level <> nesting 433R$*<>$* $@ <@> MAIL FROM:<> case 434R$*<$+>$* $2 basic RFC821/822 parsing 435 436# make sure <@a,@b,@c:user@d> syntax is easy to parse -- undone later 437R@ $+ , $+ @ $1 : $2 change all "," to ":" 438 439# localize and dispose of route-based addresses 440R@ $+ : $+ $@ $>96 < @$1 > : $2 handle <route-addr> 441 442# find focus for list syntax 443R $+ : $* ; @ $+ $@ $>96 $1 : $2 ; < @ $3 > list syntax 444R $+ : $* ; $@ $1 : $2; list syntax 445 446# find focus for @ syntax addresses 447R$+ @ $+ $: $1 < @ $2 > focus on domain 448R$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right 449R$+ < @ $+ > $@ $>96 $1 < @ $2 > already canonical 450 451# do some sanity checking 452R$* < @ $* : $* > $* $1 < @ $2 $3 > $4 nix colons in addrs 453 454ifdef(`_NO_UUCP_', `dnl', 455`# convert old-style addresses to a domain-based address 456R$- ! $+ $@ $>96 $2 < @ $1 .UUCP > resolve uucp names 457R$+ . $- ! $+ $@ $>96 $3 < @ $1 . $2 > domain uucps 458R$+ ! $+ $@ $>96 $2 < @ $1 .UUCP > uucp subdomains') 459 460# if we have % signs, take the rightmost one 461R$* % $* $1 @ $2 First make them all @s. 462R$* @ $* @ $* $1 % $2 @ $3 Undo all but the last. 463R$* @ $* $@ $>96 $1 < @ $2 > Insert < > and finish 464 465# else we must be a local name 466R$* $@ $>96 $1 467 468 469################################################ 470### Ruleset 96 -- bottom half of ruleset 3 ### 471################################################ 472 473S96 474 475# handle special cases for local names 476R$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all 477R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain 478ifdef(`_NO_UUCP_', `dnl', 479`R$* < @ localhost . UUCP > $* $: $1 < @ $j . > $2 .UUCP domain') 480R$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [a.b.c.d] 481R$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal 482R$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr 483ifdef(`DOMAIN_TABLE', ` 484# look up domains in the domain table 485R$* < @ $+ > $* $: $1 < @ $(domaintable $2 $) > $3', 486`dnl') 487undivert(2)dnl 488 489ifdef(`_NO_UUCP_', `dnl', 490`ifdef(`UUCP_RELAY', 491`# pass UUCP addresses straight through 492R$* < @ $+ . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', 493`# if really UUCP, handle it immediately 494ifdef(`_CLASS_U_', 495`R$* < @ $=U . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 496ifdef(`_CLASS_V_', 497`R$* < @ $=V . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 498ifdef(`_CLASS_W_', 499`R$* < @ $=W . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 500ifdef(`_CLASS_X_', 501`R$* < @ $=X . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 502ifdef(`_CLASS_Y_', 503`R$* < @ $=Y . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 504 505# try UUCP traffic as a local address 506R$* < @ $+ . UUCP > $* $: $1 < @ $[ $2 $] . UUCP . > $3 507R$* < @ $+ . . UUCP . > $* $@ $1 < @ $2 . > $3') 508') 509ifdef(`_NO_CANONIFY_', `dnl', 510`# pass to name server to make hostname canonical 511R$* < @ $* $~P > $* $: $1 < @ $[ $2 $3 $] > $4') 512 513# local host aliases and pseudo-domains are always canonical 514R$* < @ $=w > $* $: $1 < @ $2 . > $3 515R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4 516R$* < @ $* . . > $* $1 < @ $2 . > $3 517 518# if this is the local hostname, make sure we treat is as canonical 519R$* < @ $j > $* $: $1 < @ $j . > $2 520 521 522################################################## 523### Ruleset 4 -- Final Output Post-rewriting ### 524################################################## 525S4 526 527R$* <@> $@ handle <> and list:; 528 529# strip trailing dot off possibly canonical name 530R$* < @ $+ . > $* $1 < @ $2 > $3 531 532# externalize local domain info 533R$* < $+ > $* $1 $2 $3 defocus 534R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 <route-addr> canonical 535R@ $* $@ @ $1 ... and exit 536 537ifdef(`_NO_UUCP_', `dnl', 538`# UUCP must always be presented in old form 539R$+ @ $- . UUCP $2!$1 u@h.UUCP => h!u') 540 541# delete duplicate local names 542R$+ % $=w @ $=w $1 @ $j u%host@host => u@host 543 544 545 546############################################################## 547### Ruleset 97 -- recanonicalize and call ruleset zero ### 548### (used for recursive calls) ### 549############################################################## 550 551S`'97 552R$* $: $>3 $1 553R$* $@ $>0 $1 554 555 556###################################### 557### Ruleset 0 -- Parse Address ### 558###################################### 559 560S0 561 562R<@> $#_LOCAL_ $: <@> special case error msgs 563R$* : $* ; <@> $#error $@ 5.1.3 $: "list:; syntax illegal for recipient addresses" 564R<@ $+> $#error $@ 5.1.1 $: "user address required" 565R$* <$* : $* > $* $#error $@ 5.1.1 $: "colon illegal in host name part" 566R$* < @ . > $* $#error $@ 5.1.2 $: "invalid host name" 567 568ifdef(`_MAILER_smtp_', 569`# handle numeric address spec 570R$* < @ [ $+ ] > $* $: $>98 $1 < @ [ $2 ] > $3 numeric internet spec 571R$* < @ [ $+ ] > $* $#_SMTP_ $@ [$2] $: $1 < @ [$2] > $3 still numeric: send', 572 `dnl') 573 574# now delete the local info -- note $=O to find characters that cause forwarding 575R$* < @ > $* $@ $>97 $1 user@ => user 576R< @ $=w . > : $* $@ $>97 $2 @here:... -> ... 577R$* $=O $* < @ $=w . > $@ $>97 $1 $2 $3 ...@here -> ... 578 579# handle local hacks 580R$* $: $>98 $1 581 582# short circuit local delivery so forwarded email works 583ifdef(`_STICKY_LOCAL_DOMAIN_', 584`R$+ < @ $=w . > $: < $H > $1 < @ $2 . > first try hub 585R< $+ > $+ < $+ > $>95 < $1 > $2 < $3 > yep .... 586R< > $+ + $* < $+ > $#_LOCAL_ $: $1 + $2 plussed name? 587R< > $+ < $+ > $#_LOCAL_ $: @ $1 nope, local address', 588`R$=L < @ $=w . > $#_LOCAL_ $: @ $1 special local names 589R$+ < @ $=w . > $#_LOCAL_ $: $1 regular local name') 590ifdef(`MAILER_TABLE', 591` 592# not local -- try mailer table lookup 593R$* <@ $+ > $* $: < $2 > $1 < @ $2 > $3 extract host name 594R< $+ . > $* $: < $1 > $2 strip trailing dot 595R< $+ > $* $: < $(mailertable $1 $) > $2 lookup 596R< $- : $+ > $* $# $1 $@ $2 $: $3 check -- resolved? 597R< $+ > $* $: $>90 <$1> $2 try domain', 598`dnl') 599undivert(4)dnl 600 601ifdef(`_NO_UUCP_', `dnl', 602`# resolve remotely connected UUCP links (if any) 603ifdef(`_CLASS_V_', 604`R$* < @ $=V . UUCP . > $* $: $>95 < $V > $1 <@$2.UUCP.> $3', 605 `dnl') 606ifdef(`_CLASS_W_', 607`R$* < @ $=W . UUCP . > $* $: $>95 < $W > $1 <@$2.UUCP.> $3', 608 `dnl') 609ifdef(`_CLASS_X_', 610`R$* < @ $=X . UUCP . > $* $: $>95 < $X > $1 <@$2.UUCP.> $3', 611 `dnl')') 612 613# resolve fake top level domains by forwarding to other hosts 614ifdef(`BITNET_RELAY', 615`R$*<@$+.BITNET.>$* $: $>95 < $B > $1 <@$2.BITNET.> $3 user@host.BITNET', 616 `dnl') 617ifdef(`_MAILER_pop_', 618`R$+ < @ POP. > $#pop $: $1 user@POP', 619 `dnl') 620ifdef(`_MAILER_fax_', 621`R$+ < @ $+ .FAX. > $#fax $@ $2 $: $1 user@host.FAX', 622`ifdef(`FAX_RELAY', 623`R$*<@$+.FAX.>$* $: $>95 < $F > $1 <@$2.FAX.> $3 user@host.FAX', 624 `dnl')') 625 626ifdef(`UUCP_RELAY', 627`# forward non-local UUCP traffic to our UUCP relay 628R$*<@$*.UUCP.>$* $: $>95 < $Y > $1 <@$2.UUCP.> $3 uucp mail', 629`ifdef(`_MAILER_uucp_', 630`# forward other UUCP traffic straight to UUCP 631R$* < @ $+ .UUCP. > $* $#uucp $@ $2 $: $1 < @ $2 .UUCP. > $3 user@host.UUCP', 632 `dnl')') 633ifdef(`_MAILER_usenet_', ` 634# addresses sent to net.group.USENET will get forwarded to a newsgroup 635R$+ . USENET $#usenet $: $1', 636 `dnl') 637 638ifdef(`_LOCAL_RULES_', 639`# figure out what should stay in our local mail system 640undivert(1)', `dnl') 641 642# pass names that still have a host to a smarthost (if defined) 643R$* < @ $* > $* $: $>95 < $S > $1 < @ $2 > $3 glue on smarthost name 644 645# deal with other remote names 646ifdef(`_MAILER_smtp_', 647`R$* < @$* > $* $#_SMTP_ $@ $2 $: $1 < @ $2 > $3 user@host.domain', 648`R$* < @$* > $* $#error $@ 5.1.2 $: Unrecognized host name $2') 649 650# if this is quoted, strip the quotes and try again 651R$+ $: $(dequote $1 $) strip quotes 652R$+ $=O $+ $@ $>97 $1 $2 $3 try again 653 654# handle locally delivered names 655R$=L $#_LOCAL_ $: @ $1 special local names 656R$+ $#_LOCAL_ $: $1 regular local names 657 658########################################################################### 659### Ruleset 5 -- special rewriting after aliases have been expanded ### 660########################################################################### 661 662S5 663 664# deal with plussed users so aliases work nicely 665R$+ + * $#_LOCAL_ $@ $&h $: $1 666R$+ + $* $#_LOCAL_ $@ $2 $: $1 + * 667 668# prepend an empty "forward host" on the front 669R$+ $: <> $1 670 671ifdef(`LUSER_RELAY', 672`# send unrecognized local users to a relay host 673R< > $+ + $* $: < $L . > $( user $1 $) + $2 674R< > $+ $: < $L . > $( user $1 $) look up user 675R< $* > $+ <> $* $: < > $2 $3 found; strip $L 676R< $* . > $+ $: < $1 > $2 strip extra dot') 677 678# handle plussed local names 679R< > $+ + $* $#_LOCAL_ $@ $2 $: $1 680 681# see if we have a relay or a hub 682R< > $+ $: < $H > $1 try hub 683R< > $+ $: < $R > $1 try relay 684R< > $+ $@ $1 nope, give up 685R< $- : $+ > $+ $: $>95 < $1 : $2 > $3 < @ $2 > 686R< $+ > $+ $@ $>95 < $1 > $2 < @ $1 > 687ifdef(`MAILER_TABLE', 688` 689 690################################################################### 691### Ruleset 90 -- try domain part of mailertable entry ### 692################################################################### 693 694S90 695R$* <$- . $+ > $* $: $1$2 < $(mailertable .$3 $@ $1$2 $@ $2 $) > $4 696R$* <$- : $+ > $* $# $2 $@ $3 $: $4 check -- resolved? 697R$* < . $+ > $* $@ $>90 $1 . <$2> $3 no -- strip & try again 698R$* < $* > $* $: < $(mailertable . $@ $1$2 $) > $3 try "." 699R<$- : $+ > $* $# $1 $@ $2 $: $3 "." found? 700R< $* > $* $@ $2 no mailertable match', 701`dnl') 702 703################################################################### 704### Ruleset 95 -- canonify mailer:host syntax to triple ### 705################################################################### 706 707S95 708R< > $* $@ $1 strip off null relay 709R< $- : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer 710R< $=w > $* $@ $2 delete local host 711R< $+ > $* $#_RELAY_ $@ $1 $: $2 use unqualified mailer 712 713################################################################### 714### Ruleset 98 -- local part of ruleset zero (can be null) ### 715################################################################### 716 717S98 718undivert(3)dnl 719# 720###################################################################### 721###################################################################### 722##### 723`##### MAILER DEFINITIONS' 724##### 725###################################################################### 726###################################################################### 727undivert(7)dnl 728