1# 2# Copyright (c) 1983 Eric P. Allman 3# Copyright (c) 1988, 1993 4# The Regents of the University of California. All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 3. All advertising materials mentioning features or use of this software 15# must display the following acknowledgement: 16# This product includes software developed by the University of 17# California, Berkeley and its contributors. 18# 4. Neither the name of the University nor the names of its contributors 19# may be used to endorse or promote products derived from this software 20# without specific prior written permission. 21# 22# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32# SUCH DAMAGE. 33# 34 35 36###################################################################### 37###################################################################### 38##### 39##### SENDMAIL CONFIGURATION FILE 40##### 41##### built by eric@vangogh.CS.Berkeley.EDU on Mon Apr 18 22:21:50 PDT 1994 42##### in /usr/src/usr.sbin/sendmail/cf/cf 43##### 44###################################################################### 45###################################################################### 46 47##### @(#)cf.m4 8.4 (Berkeley) 12/24/93 ##### 48 49##### @(#)python.mc 8.1 (Berkeley) 6/7/93 ##### 50 51##### @(#)bsd4.4.m4 8.2 (Berkeley) 2/10/94 ##### 52 53##### @(#)cs.exposed.m4 8.1 (Berkeley) 6/7/93 ##### 54 55##### @(#)Berkeley.m4 8.5 (Berkeley) 2/18/94 ##### 56 57##### @(#)redirect.m4 8.2 (Berkeley) 12/27/93 ##### 58 59 60 61 62##### @(#)use_cw_file.m4 8.1 (Berkeley) 6/7/93 ##### 63 64 65##### @(#)cssubdomain.m4 8.1 (Berkeley) 6/7/93 ##### 66 67 68 69# accept mail sent to the domain head 70DDBostic.COM 71 72 73 74##### @(#)proto.m4 8.45 (Berkeley) 3/4/94 ##### 75 76 77# level 5 config file format 78V5 79 80################## 81# local info # 82################## 83 84Cwlocalhost 85# file containing names of hosts for which we receive email 86Fw-o /etc/sendmail.cw 87 88 89CP. 90 91# UUCP relay host 92DYucbvax.Berkeley.EDU 93CPUUCP 94 95# BITNET relay host 96DBCMSA.Berkeley.EDU 97CPBITNET 98 99# "Smart" relay host (may be null) 100DS 101 102# who I send unqualified names to (null means deliver locally) 103DRvangogh.CS.Berkeley.EDU 104 105# who gets all local email traffic ($R has precedence for unqualified names) 106DH 107 108# who I masquerade as (null for no masquerading) 109DMvangogh.CS.Berkeley.EDU 110 111# class L: names that should be delivered locally, even if we have a relay 112# class E: names that should be exposed as from this host, even if we masquerade 113#CLroot 114CEroot 115 116# operators that cannot be in local usernames (i.e., network indicators) 117CO @ % ! 118 119# a class with just dot (for identifying canonical names) 120C.. 121 122# dequoting map 123Kdequote dequote 124 125 126CPREDIRECT 127 128###################### 129# Special macros # 130###################### 131 132# SMTP initial login message 133De$j Sendmail $v/$Z ready at $b 134 135# UNIX initial From header format 136DlFrom $g $d 137 138# my name for error messages 139DnMAILER-DAEMON 140 141# delimiter (operator) characters 142Do.:%@!^/[] 143 144# format of a total name 145Dq$?x$x <$g>$|$g$. 146 147# Configuration version number 148DZ8.6.9 149 150 151############### 152# Options # 153############### 154 155# strip message body to 7 bits on input? 156O7False 157 158# wait (in minutes) for alias file rebuild 159Oa10 160 161# location of alias file 162OA/etc/aliases 163 164# minimum number of free blocks on filesystem 165Ob4 166 167# substitution for space (blank) characters 168OB. 169 170# avoid connecting to "expensive" mailers on initial submission? 171OcFalse 172 173# checkpoint queue runs after every N successful deliveries 174OC10 175 176# default delivery mode 177Odbackground 178 179# automatically rebuild the alias database? 180ODFalse 181 182# error message header/file 183#OE/etc/sendmail.oE 184 185# error mode 186#Oep 187 188# save Unix-style "From_" lines at top of header? 189OfFalse 190 191# temporary file mode 192OF0600 193 194# match recipients against GECOS field? 195OGFalse 196 197# default GID 198Og1 199 200# maximum hop count 201Oh17 202 203# location of help file 204OH/usr/share/misc/sendmail.hf 205 206# ignore dots as terminators in incoming messages? 207OiFalse 208 209# Insist that the BIND name server be running to resolve names 210OI 211 212# deliver MIME-encapsulated error messages? 213OjTrue 214 215# Forward file search path 216OJ$z/.forward.$w:$z/.forward 217 218# open connection cache size 219Ok2 220 221# open connection cache timeout 222OK5m 223 224# use Errors-To: header? 225OlFalse 226 227# log level 228OL9 229 230# send to me too, even in an alias expansion? 231OmFalse 232 233# verify RHS in newaliases? 234OnTrue 235 236# default messages to old style headers if no special punctuation? 237OoTrue 238 239# SMTP daemon options 240#OOPort=esmtp 241 242# privacy flags 243Opauthwarnings 244 245# who (if anyone) should get extra copies of error messages 246#OPPostmaster 247 248# slope of queue-only function 249#Oq600000 250 251# queue directory 252OQ/var/spool/mqueue 253 254# read timeout -- now OK per RFC 1123 section 5.3.2 255#Ordatablock=10m 256 257# queue up everything before forking? 258OsTrue 259 260# status file 261OS/var/log/sendmail.st 262 263# default message timeout interval 264OT5d/4h 265 266# time zone handling: 267# if undefined, use system default 268# if defined but null, use TZ envariable passed in 269# if defined and non-null, use that info 270#Ot 271 272# default UID 273Ou1 274 275# list of locations of user database file (null means no lookup) 276OU/usr/sww/share/lib/users.cs.db,/usr/sww/share/lib/users.eecs.db 277 278# fallback MX host 279#OVfall.back.host.net 280 281# if we are the best MX host for a site, try it directly instead of config err 282OwFalse 283 284# load average at which we just queue messages 285Ox8 286 287# load average at which we refuse connections 288OX12 289 290# work recipient factor 291#Oy30000 292 293# deliver each queued job in a separate process? 294OYFalse 295 296# work class factor 297#Oz1800 298 299# work time factor 300#OZ90000 301 302########################### 303# Message precedences # 304########################### 305 306Pfirst-class=0 307Pspecial-delivery=100 308Plist=-30 309Pbulk=-60 310Pjunk=-100 311 312##################### 313# Trusted users # 314##################### 315 316Troot 317Tdaemon 318Tuucp 319 320######################### 321# Format of headers # 322######################### 323 324H?P?Return-Path: $g 325HReceived: $?sfrom $s $.$?_($?s$|from $.$_) $.by $j ($v/$Z)$?r with $r$. id $i$?u for $u$.; $b 326H?D?Resent-Date: $a 327H?D?Date: $a 328H?F?Resent-From: $q 329H?F?From: $q 330H?x?Full-Name: $x 331HSubject: 332# HPosted-Date: $a 333# H?l?Received-Date: $b 334H?M?Resent-Message-Id: <$t.$i@$j> 335H?M?Message-Id: <$t.$i@$j> 336# 337###################################################################### 338###################################################################### 339##### 340##### REWRITING RULES 341##### 342###################################################################### 343###################################################################### 344 345 346########################################### 347### Rulset 3 -- Name Canonicalization ### 348########################################### 349S3 350 351# handle null input (translate to <@> special case) 352R$@ $@ <@> 353 354# basic textual canonicalization -- note RFC733 heuristic here 355R$*<$*>$*<$*>$* $2$3<$4>$5 strip multiple <> <> 356R$*<$*<$+>$*>$* <$3>$5 2-level <> nesting 357R$*<>$* $@ <@> MAIL FROM:<> case 358R$*<$+>$* $2 basic RFC821/822 parsing 359 360# handle list:; syntax as special case 361R$*:;$* $@ $1 :; <@> 362 363# make sure <@a,@b,@c:user@d> syntax is easy to parse -- undone later 364R@ $+ , $+ @ $1 : $2 change all "," to ":" 365 366# localize and dispose of route-based addresses 367R@ $+ : $+ $@ $>96 < @$1 > : $2 handle <route-addr> 368 369# find focus for list syntax 370R $+ : $* ; @ $+ $@ $>96 $1 : $2 ; < @ $3 > list syntax 371R $+ : $* ; $@ $1 : $2; list syntax 372 373# find focus for @ syntax addresses 374R$+ @ $+ $: $1 < @ $2 > focus on domain 375R$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right 376R$+ < @ $+ > $@ $>96 $1 < @ $2 > already canonical 377 378# do some sanity checking 379R$* < @ $* : $* > $* $1 < @ $2 $3 > $4 nix colons in addrs 380 381# convert old-style addresses to a domain-based address 382R$- ! $+ $@ $>96 $2 < @ $1 .UUCP > resolve uucp names 383R$+ . $- ! $+ $@ $>96 $3 < @ $1 . $2 > domain uucps 384R$+ ! $+ $@ $>96 $2 < @ $1 .UUCP > uucp subdomains 385 386# if we have % signs, take the rightmost one 387R$* % $* $1 @ $2 First make them all @s. 388R$* @ $* @ $* $1 % $2 @ $3 Undo all but the last. 389R$* @ $* $@ $>96 $1 < @ $2 > Insert < > and finish 390 391# else we must be a local name 392 393 394################################################ 395### Ruleset 96 -- bottom half of ruleset 3 ### 396################################################ 397 398# At this point, everything should be in a "local_part<@domain>extra" format. 399S96 400 401# handle special cases for local names 402R$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all 403R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain 404R$* < @ localhost . UUCP > $* $: $1 < @ $j . > $2 .UUCP domain 405R$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [a.b.c.d] 406R$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal 407R$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr 408 409# find possible (old & new) versions of our name via short circuit hack 410# (this code should exist ONLY during the transition from .Berkeley.EDU 411# names to .CS.Berkeley.EDU names -- probably not more than a few months) 412R$* < @ $=w .CS.Berkeley.EDU > $* $: $1 < @ $j > $3 413R$* < @ $=w .Berkeley.EDU> $* $: $1 < @ $j > $3 414 415# pass UUCP addresses straight through 416R$* < @ $+ . UUCP > $* $@ $1 < @ $2 . UUCP . > $3 417 418# pass to name server to make hostname canonical 419R$* < @ $* $~P > $* $: $1 < @ $[ $2 $3 $] > $4 420 421# local host aliases and pseudo-domains are always canonical 422R$* < @ $=w > $* $: $1 < @ $2 . > $3 423R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4 424R$* < @ $* . . > $* $1 < @ $2 . > $3 425 426# if this is the local hostname, make sure we treat is as canonical 427R$* < @ $j > $* $: $1 < @ $j . > $2 428 429 430################################################## 431### Ruleset 4 -- Final Output Post-rewriting ### 432################################################## 433S4 434 435R$*<@> $@ $1 handle <> and list:; 436 437# strip trailing dot off possibly canonical name 438R$* < @ $+ . > $* $1 < @ $2 > $3 439 440# externalize local domain info 441R$* < $+ > $* $1 $2 $3 defocus 442R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 <route-addr> canonical 443R@ $* $@ @ $1 ... and exit 444 445# UUCP must always be presented in old form 446R$+ @ $- . UUCP $2!$1 u@h.UUCP => h!u 447 448# delete duplicate local names 449R$+ % $=w @ $=w $1 @ $j u%host@host => u@host 450 451 452 453############################################################## 454### Ruleset 97 -- recanonicalize and call ruleset zero ### 455### (used for recursive calls) ### 456############################################################## 457 458S97 459R$* $: $>3 $1 460R$* $@ $>0 $1 461 462 463###################################### 464### Ruleset 0 -- Parse Address ### 465###################################### 466 467S0 468 469R<@> $#local $: <> special case error msgs 470R$* : $* ; $#error $@ USAGE $: "list:; syntax illegal for recipient addresses" 471R<@ $+> $#error $@ USAGE $: "user address required" 472R<$* : $* > $#error $@ USAGE $: "colon illegal in host name part" 473 474# handle numeric address spec 475R$* < @ [ $+ ] > $* $: $>98 $1 < @ [ $2 ] > $3 numeric internet spec 476R$* < @ [ $+ ] > $* $#smtp $@ [$2] $: $1 < @ [$2] > $3 still numeric: send 477 478# now delete the local info -- note $=O to find characters that cause forwarding 479R$* < @ > $* $@ $>97 $1 user@ => user 480R< @ $=w . > : $* $@ $>97 $2 @here:... -> ... 481R$* $=O $* < @ $=w . > $@ $>97 $1 $2 $3 ...@here -> ... 482 483# handle local hacks 484R$* $: $>98 $1 485 486# short circuit local delivery so forwarded email works 487R$+ < @ $=w . > $: $1 < @ $2 . @ $H > first try hub 488R$+ < $+ @ $+ > $#local $: $1 yep .... 489R$+ < $+ @ > $#local $: @ $1 nope, local address 490 491# resolve remotely connected UUCP links (if any) 492 493# resolve fake top level domains by forwarding to other hosts 494R$*<@$+.BITNET.>$* $: $>95 < $B > $1 <@$2.BITNET.> $3 user@host.BITNET 495 496# forward non-local UUCP traffic to our UUCP relay 497R$*<@$*.UUCP.>$* $: $>95 < $Y > $1 <@$2.UUCP.> $3 uucp mail 498 499 500# pass names that still have a host to a smarthost (if defined) 501R$* < @ $* > $* $: $>95 < $S > $1 < @ $2 > $3 glue on smarthost name 502 503# deal with other remote names 504R$* < @$* > $* $#smtp $@ $2 $: $1 < @ $2 > $3 user@host.domain 505 506# if this is quoted, strip the quotes and try again 507R$+ $: $(dequote $1 $) strip quotes 508R$+ $=O $+ $@ $>97 $1 $2 $3 try again 509 510# handle locally delivered names 511R$=L $#local $: @ $1 special local names 512R$+ $#local $: $1 regular local names 513 514########################################################################### 515### Ruleset 5 -- special rewriting after aliases have been expanded ### 516### (new sendmail only) ### 517########################################################################### 518 519S5 520 521# see if we have a relay or a hub 522R$+ $: < $R > $1 try relay 523R< > $+ $: < $H > $1 try hub 524R< > $+ $@ $1 nope, give up 525R< $- : $+ > $+ $: $>95 < $1 : $2 > $3 < @ $2 > 526R< $+ > $+ $@ $>95 < $1 > $2 < @ $1 > 527 528################################################################### 529### Ruleset 95 -- canonify mailer:host syntax to triple ### 530################################################################### 531 532S95 533R< > $* $@ $1 strip off null relay 534R< $- : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer 535R< $=w > $* $@ $2 delete local host 536R< $+ > $* $#relay $@ $1 $: $2 use unqualified mailer 537 538################################################################### 539### Ruleset 98 -- local part of ruleset zero (can be null) ### 540################################################################### 541 542S98 543 544# addresses sent to foo@host.REDIRECT will give a 551 error code 545R$* < @ $+ .REDIRECT. > $# error $@ NOUSER $: "551 User not local; please try " <$1@$2> 546 547# accept mail sent to the domain head 548R< @ $D . > : $* $@ $>7 $1 @here:... -> ... 549R$* $=O $* < @ $D . > $@ $>7 $1 $2 $3 ...@here -> ... 550R$* < @ $D . > $#local $: $1 user@here -> user 551# 552###################################################################### 553###################################################################### 554##### 555##### MAILER DEFINITIONS 556##### 557###################################################################### 558###################################################################### 559 560 561################################################## 562### Local and Program Mailer specification ### 563################################################## 564 565##### @(#)local.m4 8.6 (Berkeley) 10/24/93 ##### 566 567Mlocal, P=/usr/libexec/mail.local, F=lsDFMrmn, S=10, R=20/40, 568 A=mail -d $u 569Mprog, P=/bin/sh, F=lsDFMeu, S=10, R=20/40, D=$z:/, 570 A=sh -c $u 571 572S10 573R<@> $n errors to mailer-daemon 574R$+ $: $>40 $1 575 576S20 577R$+ < @ $* > $: $1 strip host part 578 579S40 580 581##################################### 582### SMTP Mailer specification ### 583##################################### 584 585##### @(#)smtp.m4 8.15 (Berkeley) 2/14/94 ##### 586 587Msmtp, P=[IPC], F=mDFMuX, S=11/31, R=21, E=\r\n, 588 L=990, A=IPC $h 589Mesmtp, P=[IPC], F=mDFMuXa, S=11/31, R=21, E=\r\n, 590 L=990, A=IPC $h 591Mrelay, P=[IPC], F=mDFMuXa, S=11/31, R=61, E=\r\n, 592 L=2040, A=IPC $h 593 594# 595# envelope sender and masquerading recipient rewriting 596# 597S11 598R$+ $: $>51 $1 sender/recipient common 599R$* :; <@> $@ $1 :; list:; special case 600R$* $@ $>61 $1 qualify unqual'ed names 601 602 603# 604# header recipient rewriting if not masquerading recipients 605# 606S21 607 608# do sender/recipient common rewriting 609R$+ $: $>51 $1 610 611# unqualified names (e.g., "eric") are qualified by local host 612R$* < @ $* > $* $@ $1 < @ $2 > $3 already qualified 613R$+ $: $1 < @ $j > add local domain 614 615 616# 617# header sender and masquerading recipient rewriting 618# 619S31 620R$+ $: $>51 $1 sender/recipient common 621R$* :; <@> $@ $1 :; list:; special case 622 623# do special header rewriting 624R$* <@> $* $@ $1 <@> $2 pass null host through 625R< @ $* > $* $@ < @ $1 > $2 pass route-addr through 626R$=E < @ $=w . > $@ $1 < @ $2 > exposed user as is 627R$* < @ $=w . > $: $1 < @ $2 @ $M > masquerade as domain 628R$* < @ $+ @ > $@ $1 < @ $2 > in case $M undefined 629R$* < @ $+ @ $+ > $@ $1 < @ $3 > $M is defined -- use it 630R$* $@ $>61 $1 qualify unqual'ed names 631 632 633# 634# convert pseudo-domain addresses to real domain addresses 635# 636S51 637 638# pass <route-addr>s through 639R< @ $+ > $* $@ < @ $1 > $2 resolve <route-addr> 640 641# output fake domains as user%fake@relay 642R$+ <@ $+ .BITNET. > $: $1 % $2 .BITNET < @ $B > user@host.BITNET 643R$+.BITNET <@ $+:$+ > $: $1 .BITNET < @ $3 > strip mailer: part 644 645# do UUCP heuristics; note that these are shared with UUCP mailers 646R$+ < @ $+ .UUCP. > $: < $2 ! > $1 convert to UUCP form 647R$+ < @ $* > $* $@ $1 < @ $2 > $3 not UUCP form 648 649# leave these in .UUCP form to avoid further tampering 650R< $&h ! > $- ! $+ $@ $2 < @ $1 .UUCP. > 651R< $&h ! > $-.$+ ! $+ $@ $3 < @ $1.$2 > 652R< $&h ! > $+ $@ $1 < @ $&h .UUCP. > 653R< $+ ! > $+ $: $1 ! $2 < @ $Y > 654R$+ < @ > $: $1 < @ $j > in case $Y undefined 655R$+ < @ $+ : $+ > $: $1 < @ $3 > strip mailer: part 656 657 658# 659# common sender and masquerading recipient rewriting 660# 661S61 662 663R$* < @ $* > $* $@ $1 < @ $2 > $3 already qualified 664R$=E $@ $1 < @ $j> show exposed names 665R$+ $: $1 < @ $M > user w/o host 666R$+ <@> $: $1 < @ $j > in case $M undefined 667